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Blue Thermal

Blue Thermal is a animated coming-of-age film directed by Masaki Tachibana and produced by . Adapted from the of the same name by Kana Ozawa, the story follows Tamaki Tsuru, a at the fictional Aonagi University who accidentally damages a glider and subsequently joins the university's club, where she discovers a profound passion for the sport of . The original , titled Blue Thermal: Aonagi University Athletic Federation Aviation Club, was serialized in Shinchosha's seinen magazine Monthly Comic @Bunch from April 2015 to November 2017 and compiled into five volumes. Ozawa's work draws from her own experiences in a gliding club, emphasizing the thrill of soaring on thermal currents and the personal growth that comes with pursuing an unconventional passion. In the film, Tamaki navigates club rivalries, rigorous training, and budding romances while preparing for competitions, all rendered with detailed that captures the exhilaration of unpowered flight. Key voice cast includes as Tamaki Tsuru, as Eita Narihara, and as Yō Asahina, with the ending theme "Blue Thermal" performed by the band SHE'S. Released in on March 4, 2022, it later premiered internationally, including a North American Blu-ray and digital release on March 14, 2023, distributed by Eleven Arts and Shout! Factory. Critically, Blue Thermal has been praised for its authentic depiction of gliding mechanics and its relatable portrayal of young adulthood, earning a 6.6/10 rating on from 10,468 users (as of November 2025) and a 7.35/10 on . The film highlights the niche sport of , blending drama, romance, and sports elements to appeal to audiences interested in aviation-themed .

Synopsis

Plot

Tamaki Tsuru arrives at Aonagi University as a freshman from , eager for a sparkling college life centered on making friends and finding romance after focusing solely on during high school. Her enthusiasm leads her to explore various campus clubs, but an accidental collision damages a glider from the university's aviation club. To make restitution, Tamaki joins the club as a temporary member, initially viewing it as a burdensome rather than a path to her envisioned social experiences. Under the guidance of club leader Jun Kuramochi and other members, Tamaki begins rigorous ground training and faces initial challenges, including her lack of knowledge and personal apprehensions about failure. Her first flight marks a turning point, igniting a passion for as she learns to harness updrafts to soar without engines, gradually overcoming her fears through persistent and supportive team interactions. The university club life provides a backdrop of camaraderie amid the technical demands of glider operations. As Tamaki commits more deeply, she advances to competitive events, including speed gliding trials against rival university clubs, where the team's strategies and her emerging skills are tested. The narrative builds to a national competition that highlights evolving team dynamics and Tamaki's growth, culminating in her embracing as a means of personal reinvention and newfound purpose.

Themes

Blue Thermal explores themes of coming-of-age and self-discovery through protagonist Tamaki Tsuru's evolution from a directionless high school athlete to a committed glider pilot, symbolizing her break from past failures and rejections in pursuit of personal purpose. This journey underscores the narrative's focus on a young person's search for identity amid uncertainty, as Tamaki transitions from seeking superficial social fulfillment to embracing a challenging passion. Central to the story is the passion and freedom inherent in , where the exhilaration of soaring and unpowered flight serves as a for and from earthly limitations. Tamaki's first aerial captivates her with the "vast beauty of the skies," transforming her view of the world and highlighting as a pursuit that evokes profound emotional and sensory freedom. This motif emphasizes the sport's role in fostering and a deeper connection to nature's rhythms. Romance and interpersonal bonds are depicted subtly, with romantic tensions arising within the gliding club yet overshadowed by friendships and team dynamics. A minor introduces hints of attraction, but these elements remain secondary, creating natural undercurrents that underscore the priority of communal support over individual romance. Such relationships illustrate how shared challenges strengthen rivalries and alliances alike. The narrative contrasts university life and reinvention by juxtaposing typical college expectations—like parties and dating—with the niche demands of the gliding club, portraying the latter as a pathway to authentic self-reinvention. Tamaki arrives envisioning a sparkling romantic campus experience, only to find reinvention through the club's rigorous activities, which diverge sharply from conventional student pursuits. This theme highlights the value of unconventional hobbies in shaping identity during early adulthood. Finally, Blue Thermal delves into competition versus collaboration via inter-club rivalries that test and personal boundaries in events, such as the national tournament where team unity is essential to overcome adversaries. These tensions reveal the balance between individual limits and collective effort, as club members navigate internal conflicts and external pressures to achieve shared goals. The national exemplifies how fosters without descending into .

Characters

Main Characters

Tamaki Tsuru is the protagonist of Blue Thermal, an energetic yet clumsy freshman at Aonagi University who hails from . Having focused intensely on during high school, she arrives in seeking a typical college romance filled with excitement and connection, but her accidental involvement with the aviation club leads her to discover a profound passion for , transforming her directionless enthusiasm into dedicated pursuit of the skies. In the anime film adaptation, she is voiced by . Jun Kuramochi serves as the president of the Aonagi University aviation club and a highly skilled glider pilot, acting as a calm and experienced mentor who introduces Tamaki to the intricacies of flight. Beneath his reserved demeanor lies a competitive drive that fuels his leadership and pushes the club toward excellence, making him a pivotal figure in guiding newcomers like Tamaki through their initial challenges. He is voiced by in the film. Daisuke Sorachi is a talented but arrogant pilot and sophomore member of the Aonagi University Aviation Club, whose competitive nature serves as a key foil to Tamaki's personal growth, challenging her skills and determination through club training and internal dynamics. His overconfident attitude contrasts with Tamaki's earnest development, heightening the stakes in key gliding events and underscoring themes of rivalry and self-improvement within the narrative. In the anime film, he is voiced by Junya Enoki. The core trio's interactions during club training sessions and competitive gliding events reveal the evolving mentor-student dynamics and internal tensions that drive the story's emotional core.

Supporting Characters

Yō Asahina, an alumnus of the university and former aviation club member, offers mentorship and technical support, embodying persistence in pursuing aviation dreams amid club challenges. He contributes to the team's preparation for competitions by sharing his experience. Voiced by Daisuke Ono. Yukari Muroi is a skilled glider pilot and club member whose expertise and composure during flights inspire newer recruits like Tamaki, highlighting gender dynamics in the sport. She participates in training and team events to foster club cohesion. Voiced by . Additional club members, including Ayako Maki, Eita Narihara, and Ryōhei Nanba, play key roles in daily operations, training exercises, and moral support for the aviation team, helping to build camaraderie during practice sessions and events. Ayako Maki is voiced by , Eita Narihara by , and Ryōhei Nanba by . Chizuru Yano is Tamaki Tsuru's estranged half-sister and the leader of the rival Hannankan University glider club, whose interactions with Tamaki emphasize themes of family reconciliation and competitive rivalry. She is voiced by . Characters from rival institutions, such as Mochida and Harukaze Aihara, introduce competitive rivalries through their strong performances in inter-university gliding contests, pushing the Aonagi club to improve. Mochida is voiced by , and Harukaze Aihara by .

Manga

Publication History

Blue Thermal: Aonagi Daigaku Taiiku-kai Kōkū-bu is a Japanese series written and illustrated by Kana Ozawa, who drew inspiration from her own experiences as a member of the aviation club at during her student years. Ozawa, a graduate of Hosei University's Faculty of Letters in , participated in activities herself, which fueled her passion for the sport and informed the series' authentic portrayal of university gliding culture. The debuted as her first major work in the seinen genre, blending elements of sports competition and romance to appeal to adult male readers while capturing the thrill of glider flight. The series was serialized in Shinchosha's Monthly Comic @Bunch, a magazine, from April 2015 to November 2017. It comprises 30 chapters that form a complete narrative arc centered on the protagonist's journey in the gliding club, emphasizing personal growth amid competitive tensions. Ozawa's depictions of gliding mechanics, such as and solo flights, as well as the dynamics of club life and regional competitions, reflect her firsthand knowledge and commitment to realism. The manga was collected into five tankōbon volumes under the Bunch Comics imprint, released progressively as follows: volume 1 on September 9, 2015; volume 2 on April 9, 2016; volume 3 on September 9, 2016; volume 4 on May 9, 2017; and volume 5 on February 9, 2018. This compilation allowed readers to experience the full story of the Aonagi University Athletic Association Aviation Club in a cohesive format.

Prequel

Blue Thermal: First Flight (Japanese: Burū Sāmaru Fāsuto Furaito) is a manga to the original Blue Thermal series, written and illustrated by Kana Ozawa. It was serialized digitally on the LINE Manga app from November 20, 2021, to January 2022, and compiled into a single volume by on February 9, 2022. The story centers on the early days of the Aonagi University Club, depicting events prior to the main narrative through the perspective of freshman Kuramochi, who later becomes the club's captain. It explores Kuramochi's introverted personality and his initial struggles with social interactions, including his fateful encounter with Nao Haruta, a girl who observes him intently. The introduces the fundamentals of with engine-less aircraft, highlighting Kuramochi's first experiences in the air and the club's nascent formation, thereby providing backstory to the university's aviation scene and character origins. Released in the lead-up to the film adaptation's on March 4, 2022, the served to generate anticipation by expanding the series' universe with supplemental material on training and club dynamics. Unlike the original manga's five volumes, which delve into competitive arcs and character development over a longer timeline, First Flight adopts a concise, introductory in its single-volume format, emphasizing setup without advancing to full-scale competitions.

Anime Film

Production

The anime film adaptation of Blue Thermal was announced on August 25, 2021, with production handled by Telecom Animation Film. Masaki Tachibana directed the film, drawing on his experience with sports-themed anime such as Princess Principal and Tokyo Magnitude 8.0. The screenplay was co-written by Tachibana and Natsuko Takahashi, adapting the story while condensing its key emotional and dramatic arcs. Shōgo Kaida composed the score, emphasizing atmospheric tones to complement the sequences. The ending "Blue Thermal" and insert song "Beautiful Bird" were performed by the piano rock band SHE'S, enhancing the film's themes of aspiration and freedom. The 103-minute film covers the complete narrative of Kana Ozawa's five-volume . Flight scenes were a focal point of the , employing for dynamic visuals, with 3DCG modeling overseen by Junko Miyakawa as CG creative director and specialized input from Takashi Hashimoto. The voice ensemble featured debutante as Tamaki Tsuru, supported by as Jun Kuramochi, as Daisuke Sorachi, and others including and . Recordings prioritized authentic emotional nuance, especially in high-altitude dialogues to convey the tension and exhilaration of flight. For technical fidelity, the team consulted real glider pilots and aviation specialists to refine maneuvers, terminology, and overall realism, as evidenced by dedicated roles like Glider Design by Shinobu Tsuneki.

Release

Blue Thermal premiered in Japan on March 4, 2022, with theatrical distribution handled by Toei Animation across 139 theaters. The film served as a complete adaptation of Kana Ozawa's manga, which had concluded serialization in 2017. For international markets, Eleven Arts acquired the North American licensing rights, announcing the deal at 2022. The film had its North American premiere at Anime Frontier in December 2022, followed by a limited theatrical run. It was released with both English subtitles and an English dub. Home media releases began in with a Blu-ray edition on July 13, 2022. In , Eleven Arts partnered with Shout! Factory for a Blu-ray and digital release on March 14, 2023, including bonus features like trailers and interviews. The film screened at various anime festivals and events, including the International Festival in 2023 and the Japanese Film Festival Australia in late 2022. As of November 2025, the film is available for streaming on platforms including , , and . Marketing efforts featured promotional trailers emphasizing the film's soaring glider sequences and themes of flight, released via official channels like Toei Animation's and .

Reception

Critical Response

The manga adaptation of Blue Thermal has received limited coverage in English-language media, but it has been positively received in Japanese seinen circles for its authentic depictions of gliding and relatable exploration of university life. Critics noted the personal touch infused by author Kana Ozawa, who drew from her own experiences as a member of a gliding club at Hosei University, lending credibility to the technical and emotional aspects of the sport. The film adaptation garnered acclaim for its stunning aerial sequences, which vividly capture the thrill and serenity of , earning a B- grade for from (ANN). Reviewers highlighted the effective use of visuals to convey the freedom of flight, with the score by Shōgo Kaida receiving a B for enhancing emotional depth during key scenes. The theme song "Blue Thermal" and insert track "Beautiful Bird" by the band SHE'S were praised for complementing the soaring atmosphere, with users on (MAL) noting how the ending theme lifts the spirit and fits seamlessly. Critics and audiences alike appreciated the film's emotional coming-of-age arc, portraying Tamaki Tsuru's self-discovery through as relatable and inspiring, particularly for enthusiasts who commended the accurate representation of glider operations and techniques. However, the storytelling faced critiques for relying on predictable romance elements and formulaic club tropes, with ANN assigning a C grade to the narrative due to forgettable supporting characters and subplots like the . User reviews on (6.6/10 average as of November 2025) and MAL echoed concerns about underdeveloped character depth and rushed pacing in competition scenes, suggesting the material might suit a longer TV format better than a . On , a critic described it as a "beautiful stroll through the sky" marred by a "cloudy ," while feedback emphasized the likable but noted the romance's lack of chemistry.

Commercial Performance

The film, released in March 2022, grossed approximately ¥150 million (equivalent to about $1.1 million USD at contemporary exchange rates) in during its initial theatrical run, earning a strong per-screen average among anime releases despite a limited rollout on 139 screens. The film was made available on streaming platforms including following its theatrical release.

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