DJ Sharpnel
DJ Sharpnel is a Japanese electronic music duo composed of producers Jea and Lemmy, best known for pioneering the J-core subgenre of hardcore techno in the late 1990s.[1][2] Formed in 1998 under the collective alias DJ Sharpnel, the duo draws from early Japanese hardcore influences, blending high-speed beats with elements of gabber, happy hardcore, and nerdcore techno to create energetic, often anime-inspired tracks.[2][1] They operate the independent doujin label Sharpnelsound, through which they have released numerous albums, singles, and compilations since their debut, establishing a significant presence in the underground electronic music scene both in Japan and internationally.[1] DJ Sharpnel's innovative sound has inspired the broader J-core movement, characterized by fast tempos exceeding 200 BPM and playful, video game-like aesthetics, while Jea primarily handles production and DJing, and Lemmy contributes visuals and live VJ performances.[1][3][4] Their work extends to remixes of anime and game music, and they formerly managed the online radio station Hardrave Radio, further amplifying their influence in the global rave community.[1][5]Background and Formation
Members and Early Involvement
DJ Sharpnel is a Japanese electronic music duo consisting of Jea and Lemmy, with Jea serving as the primary producer throughout their career.[3][6] Jea, whose real name is Ryuta Nakagami (born June 18, 1977), entered the underground Japanese rave scene in 1996 by joining the collaborative project Project Gabbangelion alongside artists Vicson and Tanigon.[7][3] This marked his initial foray into hardcore techno production, where he began creating solo tracks characterized by high-speed rhythms and anime-inspired samples, establishing himself as a key figure in the emerging doujin music underground.[8] As the duo's core creative force, Jea has handled the majority of composition and programming duties since their inception.[3] Lemmy, whose real name is Lemmy Miyauchi, joined Jea around 1998, contributing to early productions and management while initially focusing on design and support roles.[6] Over time, Lemmy's involvement shifted toward visual elements, including VJ performances for live sets, with her music production contributions diminishing in the 2010s as the project increasingly became Jea-led.[3][9] The duo solidified in 1998 with the release of their first joint album, Sharpnel vs Project Gabbangelion, which bridged Jea's solo origins with collaborative efforts and helped define their presence in the Japanese hardcore community. While collaborations under the Sharpnel name began in 1998, the DJ Sharpnel alias was adopted later for subsequent releases. In the late 1990s, Jea and Lemmy established Sharpnelsound as an independent doujin label to facilitate their self-releases and those of affiliated artists, operating primarily through events like Comiket and specialty retailers.[10][11]Project Origins and Duo Establishment
The origins of the DJ Sharpnel project trace back to 1996, when Jea joined the collaborative Project Gabbangelion in western Japan. This early involvement laid the groundwork for blending high-speed electronic sounds with anime and game influences, setting the stage for future collaborative efforts.[12] In 1998, after relocating to Tokyo, Jea established Sharpnelsound as an independent virtual label specializing in hardcore techno, tailored for doujin circles within Japan's burgeoning underground music scene. The label's inaugural focus was on producing and distributing CD releases that fused genres like gabber, speedcore, and happy hardcore with samples from anime and video games. That same year, Jea adopted the collective alias "DJ Sharpnel" for the debut output, Sharpnel vs. Project Gabbangelion, which integrated elements from his prior Project Gabbangelion work and marked the first official release under the Sharpnelsound banner.[13][14] Lemmy joined Jea in 1998 to solidify the partnership under the DJ Sharpnel moniker, establishing a dynamic built on complementary production roles and shared affinities for rave culture. In these formative years, the project navigated significant hurdles, including its niche underground positioning, reliance on self-funding for production and operations, and gradual expansion via sales at doujin events such as Comiket and other anime convention circuits, which served as primary outlets for reaching dedicated fans.[1][15]Musical Style and Development
Core Genres and J-Core Innovation
DJ Sharpnel's primary genres encompass speedcore, gabber, happy hardcore, makina, trance, J-core, and rave, with BPM ranges typically spanning 180-300+ for their more aggressive tracks.[13][16] These styles draw from high-energy electronic dance music traditions, emphasizing rapid tempos and intense rhythms that define their output since the late 1990s.[14] J-core, a term coined within Japanese underground scenes, refers to a subgenre of hardcore techno that integrates otaku culture with fast-paced electronic elements, and DJ Sharpnel played a pioneering role in its development through releases beginning in 1998.[14][17] As early innovators, they fused Western hardcore influences like Dutch gabber with Japanese pop sensibilities, establishing J-core as a distinct style characterized by its cultural specificity and high-speed experimentation.[18] The duo's sound features aggressive, distorted kicks paired with chiptune-inspired synths, alongside vocal chops derived from anime and cartoons, creating a hybrid of relentless percussion and melodic hooks.[16] This blend of Eastern pop melodies and Western hardcore aggression—such as gabber's pounding basslines—results in tracks that maintain a "nerdcore techno" aesthetic, often exceeding 200 BPM in speedcore-oriented pieces.[19][20] Thematically, DJ Sharpnel's work emphasizes references to anime, video games, and 8-bit aesthetics, embedding otaku themes into the fabric of their productions to evoke a playful yet high-octane energy.[16][17] This approach not only defines their J-core contributions but also highlights a fusion of subcultural elements with electronic intensity.[14]Evolution of Sound and Thematic Elements
In the early 2000s, DJ Sharpnel's sound began incorporating happier and more melodic elements, diverging from the raw aggression of their initial gabber and speedcore foundations while retaining high tempos exceeding 200 BPM. Albums such as Endless Summer (2000) exemplified this shift, blending relentless kicks with chiptune-inspired melodies and upbeat structures suited for home listening rather than strict dancefloor use.[14] This evolution was facilitated by production techniques relying on trackers, which allowed for precise, sharp cuts and dramatic builds characteristic of J-core.[14] By mid-decade, thematic elements increasingly drew from otaku culture, with heightened use of anime sampling to infuse playful, kawaii aesthetics into the hardcore framework. The 2003 release Anime Gabba It! marked a pivotal emphasis on this approach, layering sped-up vocal samples from Japanese anime over gabber beats to create a distinctive fusion that contrasted European hardcore's darker tones.[14] Production continued to leverage chiptune effects via software trackers, often incorporating guest voice actors from anime or Vocaloid sources to enhance the narrative, pop-culture-driven layers.[14] Entering the 2010s, DJ Sharpnel integrated subtle influences from hip-hop and Western EDM, such as trance progressions and rhythmic variations, while experimenting with tempo fluctuations in select tracks to broaden appeal beyond ultra-high speeds. Their final main series album, Otakuspeedvibe (2013), encapsulated this progression by prioritizing otaku themes, featuring video game nods and samples evolving from 1990s anime staples to contemporary pop culture references, resulting in a more whimsical "otakuspeedvibe" ethos.[14][21] This thematic arc—from early gabber's intensity to layered, culture-infused playfulness—reflected broader J-core maturation, with collaborations involving guest vocalists maintaining the duo's signature sample-heavy style.[14]Career Milestones
Key Releases and Label Activities
DJ Sharpnel's debut album, Sharpnel vs Project Gabbangelion, released in 1998 through their newly founded label Sharpnelsound, marked the duo's entry into the J-core scene with high-speed gabber tracks incorporating anime samples.[1] Subsequent key releases included Endless Summer in 2000, which expanded on happy hardcore elements, and Anime Gabba it! in 2003, emphasizing thematic ties to Japanese pop culture.[1] The duo's output included major albums like Otakuspeedvibe in 2013, contributing to over 50 album releases and compilations under various project names.[22] These works established Sharpnelsound as a cornerstone for oriental hardcore music.[10] Sharpnelsound, established in 1998 in Tokyo by DJ Sharpnel, initially focused on the duo's productions but grew to include other artists such as DJ MAiDACiD and m1dy, fostering a broader J-core ecosystem.[10] As a dojin circle, the label distributed physical media at events like Comiket until 2016, building a dedicated fanbase through limited-edition sales.[10] In the 2010s, Sharpnelsound shifted toward digital distribution, ending physical releases by 2017 and embracing online platforms for global reach.[10] Release patterns in the 2000s featured near-annual albums from DJ Sharpnel, alongside themed compilations such as the Sharpnelsound Hardstyle Series, which highlighted genre-specific innovations.[10] The label also pursued collaborations with international hardcore acts, including French producers FANT4STIK and Mat Weasel Busters on the 2015 compilation FANT4STIK SUMMER IN JAP4N.[23] In production, Jea has led composition and track creation for most releases, while Lemmy contributed visual elements and VJ work integrated into album packaging and promotional materials.[1] This division allowed DJ Sharpnel to maintain a cohesive aesthetic across their extensive catalog.[6]Live Performances and Aliases
DJ Sharpnel's live performances have historically featured the duo's collaborative dynamic, with Jea handling DJ duties and Lemmy providing live VJ elements to create immersive audio-visual experiences rooted in anime and hardcore aesthetics.[24] In the early 2000s, they gained prominence through appearances at Tokyo-based events such as Otakuspeedvibe, starting with volumes in 2002 that blended high-BPM hardcore with otaku culture in underground raves and club settings.[13] These shows often took place in Shibuya clubs and other Tokyo underground venues, where the pair delivered duo sets exceeding 200 BPM, incorporating custom visuals synchronized to their chaotic soundscapes.[25] To adapt to varying performance contexts, DJ Sharpnel employed distinct aliases for their live sets. Sharpnel.net served as the primary alias for standard collaborative performances, emphasizing the full duo's audio-visual synergy and used extensively in both Japanese club circuits and international outings.[24] The rare Sharpnel.exe alias appeared sporadically for experimental or high-energy variations, while Killingscum.net—primarily Jea's solo project—focused on aggressive speedcore and terrorcore sets, deployed in more intense environments during tours in Japan and abroad.[22] These aliases allowed flexibility in set formats, preparing the duo for diverse audience demands from intimate anime conventions to larger rave gatherings. Over time, their live trajectory evolved from niche Tokyo underground scenes to global festivals, marking key milestones in international expansion. Prior to 2017, their IRL shows relied heavily on custom visuals under the Sharpnel.net banner, which gradually phased out as they explored new presentation methods through alias experimentation.[24]Influence and Legacy
Impact on Hardcore and J-Core Scenes
DJ Sharpnel is widely credited with pioneering the J-core genre, a high-tempo fusion of hardcore techno, gabber, and happy hardcore infused with anime, video game, and otaku samples, which they helped establish through their 1998 debut release Sharpnel Vs. Project Gabbangelion by High Speed Music Team Sharpnel on the Sharpnelsound label.[14] This innovative approach layered pitched-up Japanese vocals and cultural references over speeds exceeding 200 BPM, distinguishing J-core from European hardcore traditions and setting a template that inspired subsequent artists such as t+pazolite.[14] The duo's prolific output on Sharpnelsound, starting in 1998, popularized the style within Japan's doujin music circles, where self-produced CDs sold tens of thousands of units at events like Comiket and M3.[16][14] Their influence extended to the broader hardcore scene by bridging Japanese and Western elements, blending Dutch gabber's aggressive kicks with bright, melodic happy hardcore and speedcore rhythms, which resonated in international forums and led to the genre's global recognition around 2005.[26][18] DJ Sharpnel's international debut at the UK's Bangface festival in 2017 further amplified this cross-cultural exchange, introducing J-core's energetic, sample-heavy sound to Western gabber and speedcore audiences and fostering a niche following in Europe and North America.[18] This hybrid style contributed to the evolution of "nerdcore techno," an underground subgenre emphasizing pop culture and otaku aesthetics in electronic dance music.[27] In the community legacy, DJ Sharpnel's over two decades of activity have shaped J-core's DIY ethos, with contributions to rhythm games like Beatmania IIDX integrating their tracks into mainstream gaming culture and inspiring hundreds of thousands of fans worldwide through online platforms and doujin releases.[14][18] Their work has solidified J-core's role in the "geek culture" hardcore movement, promoting home-listening formats over traditional club scenes and encouraging a vibrant, internet-driven global community.[16] Culturally, DJ Sharpnel bridged otaku subculture with rave aesthetics, incorporating denpa-style elements—quirky, high-energy Japanese pop tropes—into hardcore, which expanded the genre's appeal beyond Japan and influenced endorsements from international electronic acts in the 2010s.[18][26] This fusion has enduringly linked anime fandom with electronic music scenes, evident in J-core's presence at doujin events and its adoption in virtual reality expansions that continue to engage new generations.[14]Collaborations and Broader Reach
DJ Sharpnel has engaged in notable collaborations that highlight their integration into broader electronic music networks, beginning with early joint projects like the 1998 album Sharpnel vs. Project Gabbangelion, a crossover effort featuring member Jea alongside artists Vicson and Tanigon from the doujin scene.[28] This release blended speedcore with experimental elements, marking an early expansion beyond solo productions. Additionally, under the alias Ryuta Nakagami (Jea's individual moniker), Sharpnel contributed tracks to Konami's BEMANI series, including "お命ちょうDAI！901娘" for beatmania IIDX 24: SINOBUZURU in 2016 and "錬成人間トリコロイダー" featuring ¥Cuスタ平 in later installments, embedding their high-BPM style into mainstream rhythm gaming.[3] Features with international DJs, such as Billx on the 2015 Sharpnel Sound compilation FANT4STIK SUMMER IN JAP4N—which included Billx's tracks "23 Diamonds" and "Bring Back the Bass" alongside Sharpnel-curated material—further showcased their role in cross-cultural producer exchanges.[23] On the international front, Sharpnel forged partnerships with European labels, notably remixing The Speed Freak's "Days of Anger" for Mokum Records in 2013, infusing Japanese speedcore into the Dutch gabber tradition.[29] Their tracks have appeared in Western hardcore compilations, such as "Take Cover" on Mokum's Fucking Hardcore Tokyo (2021), which bridged Tokyo rave aesthetics with global hardcore audiences.[30] This influence extends to artists like Fant4stik, whose 2015 EP FANT4STIK SUMMER IN JAP4N—released via Sharpnel Sound—featured high-energy tracks like "Epic" and "Bazooka," reflecting a mutual exchange of Frenchcore and J-core production techniques.[23] Sharpnel's reach into broader media includes placements in rhythm games like Flash Flash Revolution, where songs such as "Strawberry Sweetz," "Dokudenpa," and "Pants" (a Chobits sample remix) have been featured since the early 2000s, exposing their music to international gaming communities.[31] Anime event tie-ins are evident in releases like the 2003 album Anime Gabba It!, which remixed anime vocal samples into gabber tracks, and performances at events such as J-RAVE at DoKomi, where Sharpnel has headlined alongside other Japanese electronic acts.[32] As of November 2025, their Spotify profile reports 6.9K monthly listeners, indicating sustained global streaming interest.[33] Utilizing aliases for themed collaborations, Sharpnel released UG☆Psyclone in 2004 as DJ Sharpnel & V.A., a various-artists compilation under the UG☆PSYCLONE banner that gathered doujin producers for psychedelic hardcore tracks like "Speed Disco, Volume 1" and "Strawberry Sweetz."[34] Similarly, the CottonPantie's alias facilitated joint vocal and remix projects, including engineering credits on Sharpnel Sound releases that incorporated anime-inspired themes, expanding their collaborative footprint in the underground electronic scene.[6]Recent Developments
Transition to Virtual Reality
In April 2017, DJ Sharpnel ceased all in-real-life (IRL) performance activities following their final physical event at the UPSHIFT party in Harajuku, marking the end of two decades of traditional live shows and the pivot toward a fully virtual operation for the Sharpnelsound label.[35] This transition, announced earlier that year, involved shifting the label's focus to virtual reality (VR) platforms, with artists including DJ Sharpnel adopting the VRDJ moniker to conduct DJ sets exclusively in digital spaces like VRChat.[36] The motivations for this virtualization stemmed from a desire to expand the "virtual hardcore" concept, which DJ Sharpnel had explored since 2014 through experimental VR demos at events like M3, allowing for immersive fusion of hardcore techno with digital environments.[35] By moving to VR, the duo aimed to enhance global accessibility, enabling fans worldwide to participate without geographical or logistical barriers associated with physical venues, while integrating deeply with otaku and VTuber cultures through themed virtual clubs inspired by Akihabara's nightlife, such as recreations of the real-world MOGRA club.[35] Initial VR implementations began in late 2017 with explorations in VRChat, leading to the launch of custom setups including the Akihabara Live Club world in early 2018, where DJ Sharpnel debuted their first full VRDJ set on April 17.[37] These setups featured custom avatars tailored to the virtual environment, early hardware like Gear VR headsets and SUBPAC haptic vests for 360-degree audio experiences, and streaming integration via YouTube and SoundCloud for broader reach.[35] Technically, DJ sets utilized VR motion controllers for interactive mixing, complemented by VJ visuals crafted by Lemmy to simulate dynamic club lighting and effects, blending seamlessly into metaverse-style events that emphasized community interaction in shared digital spaces.[35]2020s Activities and Tours
In the early 2020s, DJ Sharpnel expanded their virtual presence through key VR-based performances, beginning with sets on the RaveStation Network in 2020. On July 25, 2020 (PDT), they delivered a VRDJ set at RaveStation 002, an online event blending UK hardcore, hardtek, and Frenchcore, streamed to global audiences via virtual platforms.[38] This marked an early highlight in their shift toward immersive digital raves, allowing participation from international attendees without physical constraints.[39] The Virtual Live Tour 2022 further solidified their VR engagement, with DJ Sharpnel hosting streams in VRChat, including appearances at events like the NOVA 2-day festival organized by Starvrc. Day 1 of NOVA featured their set on January 16, 2022 (Japan time), emphasizing virtual club experiences in spaces like Akihabara Live Club.[40] These tours leveraged VRChat's interactive environments to recreate high-energy raves, drawing on their VRDJ expertise developed since 2017.[39] By 2024, virtual activities peaked with the Ultimate Cheese Experience on September 1, presented by the Gabberdisco crew and streamed on Twitch. DJ Sharpnel's team performed a speeddisco set in VR format, focusing on gabberdisco and hardcore vibes, which highlighted their ongoing innovation in metaverse performances.[41] Transitioning to hybrid formats, DJ Sharpnel undertook their 2024 Holland IRL tour at Unmuted in Arnhem, Netherlands, on June 21-22. Billed as "Prepare for Trouble, Make it Double," the two-day event featured the duo's in-real-life appearance, blending their virtual identity with physical rave energy for European fans.[42] In 2025, they continued hybrid explorations with an appearance at Mirai Nagoya on May 4, as part of the Trip to Metaverse event. Performing IRL at the Nagoya venue, the set served as an extension of their VR identity, bridging metaverse origins with real-world execution in a VRC-inspired party.[43] Earlier that year, on March 2, DJ Sharpnel participated in the Neodash Zerox Birthday Bash "Joe's Royal Rumble – B-Day Bash 2025" via a virtual stream on Twitch.[44] On March 29, they performed IRL at X-TREME HARD vs HAPPY JACK in Shibuya R-Lounge.[45] In August, they appeared IRL at THE DAY OF HARDCORE 2025 in Circus Tokyo on August 2.[46] Later, on October 12, DJ Sharpnel delivered an IRL DJ set at draw(tokyo); #3 in Shibuya Club Asia.[25] On October 25, they performed IRL at THE FRENCHCORE CONNECTION Vol.4 in Circus Tokyo, alongside artists like D'ort and USAO.[25] Ongoing projects include regular VRDJ streams on platforms like Twitch, such as their contribution to the Anikura Unison 2023-2024 year-end event on January 2, 2024, and similar broadcasts that foster global interaction.[47] Collaborations in metaverse spaces, including VRChat and cluster platforms, involve joint sets with international artists, enhancing cross-cultural hardcore scenes. The Sharpnelsound label maintains a focus on VR raves, producing events with global participants through virtual hardcore techno releases and streams.[48] As of November 2025, DJ Sharpnel remains active, with Lemmy's VJ role prominently featured in virtual formats to provide dynamic visuals during streams and events. Upcoming events include performances on November 30 at Madbreaks presents Sampling Business Day2 in Roppongi Cube and December 6 at P_FREE in Kyoto Metro. Future plans emphasize metaverse expansions, including more hybrid tours and VR integrations to evolve their digital rave ecosystem.[25][39]Discography
Studio Albums
DJ Sharpnel, the Japanese J-core duo consisting of Jea and Lemmy, has released a total of 10 primary studio albums as the main artist, all self-released through their independent label Sharpnelsound in CD and digital formats. These albums showcase their evolution from early gabber and hardcore fusions to more refined otaku-inspired J-core productions, often incorporating anime samples, high-speed beats, and thematic explorations of Japanese pop culture. Production credits typically list Jea on composition and arrangement, with Lemmy contributing to mixing and visual elements, emphasizing their hands-on approach to the doujin music scene. The debut album, Sharpnel vs Project Gabbangelion (1998), marked their entry into the genre with a 14-track CD blending gabber rhythms and anime references, establishing a fusion of European hardcore and Japanese otaku aesthetics. Released as SRPC-0001, it featured collaborative elements but positioned DJ Sharpnel as the driving force.[49] Following in 2000, Endless Summer (12 tracks, CD/digital, SRPC-0006) shifted toward upbeat happy hardcore with summer-themed vibes, including tracks like "Party Time!" and "Cheers 2000," capturing a sense of endless rave energy. X-Rated (2002, 14 tracks, CD, SRPC-0010) explored edgier, adult-oriented themes with intense nerdcore techno tracks such as "Data Drain," pushing boundaries in speed and sampling. The same year saw PPPH! - Phat, Pinky, Powerful & Hard!! (12 tracks, CD, SRPC-0012), a playful yet aggressive set emphasizing phat basslines and powerful hardcore, with Jea and Lemmy credited for core production.[50] Anime Gabba It! (2003, 16 tracks, CD, SRPC-0013) delved deeply into anime-gabber fusion, sampling iconic series for high-energy J-core anthems like "Policy in the Sky!," solidifying their otaku influence. In 2005, UG☆Psyclone (14 tracks, CD, SRPC-0017) introduced psychedelic elements within hardcore frameworks, with tracks like "Speed Disco Vol.1" highlighting experimental speed variations.[51] 2 Dimensional Satisfaction (2008, 13 tracks, CD/digital, SRPC-0023) embraced 2D anime aesthetics in its themes, featuring bass-heavy J-core that reflected growing doujin scene maturity. Mousatsu Otactics (2009, 10 tracks, CD/digital, SRPC-0024), also known as Delusion O-Tactics, focused on delusional otaku narratives through gabba-infused tracks, crediting Jea and Lemmy for arrangement. Cyclick (2010, 12 tracks, CD/digital, SRPC-0026) explored cyclical beat patterns in hardcore, serving as a bridge to their later works with intricate production layers.[52] Culminating the primary run, Otakuspeedvibe (2013, 13 tracks, CD/digital, SRPC-0030) represented an otaku culture pinnacle, blending high-speed J-core with collaborative vibes on tracks like "Back to the Gate." No full-length studio albums exclusive to virtual reality platforms have been released by DJ Sharpnel in the post-2013 era up to 2025, with activities shifting toward EPs, tours, and VR performances.EPs, Singles, and Compilations
DJ Sharpnel's output in EPs and singles spans from early 2000s dojin events to recent digital formats, often featuring collaborations and aliases like SHARPNEL.EXE or pairings with M-Project. These shorter releases emphasize experimental hardcore tracks, with standalone singles emerging from doujin circles and later VR-integrated events. Key examples include the 2003 single "LIFE IS GAME" featuring DJ JEA, released on Sharpnelsound (SRPC-H001).[6] Notable EPs from the 2000s include 遺言 Last Words 2002 EP (2002, with M-Project), a limited CDr blending aggressive beats and thematic samples.[53] This was followed by 猛虎EP (2003, vs. M-Project), containing tracks like "Rock On Down (Radio Edit)" and "Rebirth Of A Great Tiger" (SRPC-0045).[54] and Operation No. 9 (2004, vs. M-Project), a collaborative CDr EP (SRPC-0058).[55] Mid-decade efforts like the Erectortion 01 -Kimochii Koto- EP (2009, SRPE-0001) showcased remixing and production under aliases.[6] In the 2010s, EPs shifted toward digital and event-tied formats, such as Erectortion 02 Yuuwaku Saimin Girl (2010, SRPE-0002), Ver1.0 (2013, featuring tracks like "Sakura Again"), and Ver2.0 (2014, with "Speed Disco Vol.5").[56][57][6] The Xtreme Warfare EP (2015) and DupleX -204vsSHARPNEL- ep (2015, SRPD-0010) highlighted competitive collaborations.[33] Later digital EPs include Inherited Pixels EP (2020, Night On Earth Records, NOE-004), Cross-Domain EP (2021, with Loctek, Night On Earth Records, NOE-009), and Unmuted Limited (2024, Sharpnelsound, SRPX-0008).[58][59][60]| Year | Title | Format/Label | Key Tracks/Notes |
|---|---|---|---|
| 2002 | 遺言 Last Words 2002 EP | CDr, Sharpnelsound | Collaborative with M-Project; limited dojin release. |
| 2003 | 猛虎EP | CDr, Sharpnelsound (SRPC-0045) | Vs. M-Project; includes "Rebirth Of A Great Tiger". |
| 2003 | LIFE IS GAME | Single, Sharpnelsound (SRPC-H001) | Feat. DJ JEA; early doujin single. |
| 2004 | Operation No. 9 | CDr EP, Sharpnelsound (SRPC-0058) | Vs. M-Project; event-exclusive elements. |
| 2009 | Erectortion 01 -Kimochii Koto- | EP, Sharpnelsound (SRPE-0001) | As SHARPNEL.EXE; remixes and originals. |
| 2010 | Erectortion 02 Yuuwaku Saimin Girl | EP, Sharpnelsound (SRPE-0002) | Hypnotic themes; composer credits. |
| 2013 | Ver1.0 | EP | "Sakura Again", "艦これ言えるかな?"; digital doujin. |
| 2014 | Ver2.0 | EP, Sharpnelsound (SRPX-0002) | "Speed Disco Vol.5", "Innocent Riddle". |
| 2015 | Xtreme Warfare EP | Digital EP | High-energy hardcore tracks. |
| 2015 | DupleX -204vsSHARPNEL- ep | EP, Sharpnelsound (SRPD-0010) | Vs. 204; producer role. |
| 2020 | Inherited Pixels EP | Digital EP, Night On Earth Records (NOE-004) | Modern j-core sound. |
| 2021 | Cross-Domain EP | Digital EP, Night On Earth Records (NOE-009) | With Loctek; cross-genre fusion. |
| 2024 | Unmuted Limited | File, Sharpnelsound (SRPX-0008) | Recent digital single/EP hybrid. |
| 2024 | MOONSHIP | Single, Sharpnelsound | Standalone digital single. |
| 2024 | 世界各国ガバ飲み音頭 | Single, Sharpnelsound | Standalone digital single. |