is a Japanese anime director, animator, and storyboard artist best known for his contributions to studios Shaft and Silver Link.
Early life As a child, Oonuma did not care much for anime and found more interest in video games. He watched some parts of Mobile Suit Gundam while in elementary school without understanding it, and vividly remembered parts of a Gamba no Bouken rerun because of a weasel character he was terrified by, but otherwise was obsessed Famicom that was released around that time. It wasn't until late in high school that Oonuma watched various anime. Since he loved games, he was vaguely interested in going into the entertainment industry, so he watched anime as a part of that idea. This led to Oonuma's discovery of the 1992 OVA Tenchi Muyo! Ryo-Ohki, which resonated with him through its characters, comedy style, and in particular the nature of its protagonist who is teased at the beginning of the story but essentially becomes a hero by its end. Tenchi Muyo! inspired Oonuma to join the anime industry. Up until that point, Oonuma avoided drawing because his mother was a former manga artist and illustrator and his older brother was a good artist, and Oonuma didn't like being compared; but Tenchi Muyo was the first time he thought about drawing and making the pictures move through animation himself.
Career Oonuma's first credit in anime was as an in-between animator for Berserk as a sub-contracting employee of Office AO. He continued working with Office AO, and in 2003 made his debut as an episode director on Nurse Me! and Triangle Hearts ~Sweet Songs Forever~ under the series direction of Akiyuki Shinbo. The following year, he was invited alongside Tatsuya Oishi by Shinbo to join Shaft, and the three became known as Team Shinbo. According to Oonuma, Shinbo had invited him to Shaft due to Oonuma's understanding of digital compositing and processing, which he had showcased on Triangle Hearts. Their first project with Shaft was Tsukuyomi: Moon Phase, and Oonuma's liking of the "moe" aesthetic and "gal games" lead to him being particularly helpful to Shinbo on the series, who admitted to having no understanding of the "moe" aesthetics of Tsukuyomi. A majority of Shaft's productions from 2004 to 2009 were subsequently directed by the three, with Shinbo taking an executive role at the studio, and Oonuma and Oishi doing most of the hands-on directorial work. Oonuma was put in charge of overseeing Pani Poni Dash in 2005 and Negima!? in 2006. In 2007, Oonuma debuted as a director on his own with Ef: A Tale of Memories, with Shinbo participating as a supervisor. According to Oonuma, Shinbo's role as supervisor had him look over and assist with the screenplay and storyboards, but otherwise Oonuma was given complete freedom with the adaptation. Oonuma felt that Shinbo's greatest contribution was overseeing the storyboards to episode 2 and, with the reveal of Shindo's memory disorder, his recommendation during the editing stage that the direction of that scene correlate to the way the scene was directed, which Oonuma said broadly influenced his directing style. In 2009, Oonuma left Shaft to pursue work with Silver Link. At Silver Link, Oonuma has taken a similar role to Shinbo's executive role at Shaft. He has been involved with most of the studio's productions as either director or chief director, and has mentored or influenced several directors including Masato Jinbo, Masafumi Tamura, Keisuke Inoue, and Mirai Minato.
Style Since his time with the studio, Oonuma's directing style has been consistently compared to his former Shaft colleagues. ANN reviewer Carl Kimlinger, in his reviews of both seasons of Baka and Test, noted Oonuma's visual cues, which he seemed to take from his time under Akiyuki Shinbo; in comparison to Shinbo's "directorial madman" approach, Kimlinger described Oonuma's direction as being "semi-abstract" and "light"; Nick Creamer, reviewing C3, noted Oonuma's emphasis on "wildly creative" visuals, reminiscent of his previous series; and Theron Martin mentioned the similarities between Dusk Maiden of Amnesia and Ef. Despite the many analyses of Oonuma's style, Creamer later stated, in his review of the first episode of The Ones Within, that a single directorial style could not be attached to Oonuma, and that his visual style was more likely the result of visual experimentation for the sake of visual experimentation than any particular style of choice.
Initially, while he worked on Pani Poni Dash, Oonuma stated that he did not know how to make a comedy using gags since he had never done one until that point but became more interested in it upon viewing Yasuo Ejima's fourth episode of the series. After he saw Tatsuya Oishi's sixth episode of the series, Oonuma decided to take things he believed were interesting and make them his own. Oonuma also started to work closely with the animation staff, with whom he consulted with on how to make certain the storyboards and other parts of the production better, and would ask them to add their own ideas into the work. Although only a key animator at the time, Oonuma specifically consulted with later Shaft director Naoyuki Tatsuwa regarding some of the series' parodies and references as Tatsuwa was knowledgeable on how to implement them, for example. Oonuma developed his sense of style in tandem with the creators around him, as opposed to Oishi's self-indulgence as a director in which he made his own references and parodies away from what he described as the Oonuma team.
The most influential aspect of Shinbo's directing style on Oonuma, according to himself, was Shinbo's taste in colors in his works. Although Shinbo had, at this time, shifted away from using abnormal coloring, Oonuma noted that it was the "power of color" that he had been mostly influenced by while working with Shinbo. Speaking strictly on Oonuma's debut as a solo-director on Ef: A Tale of Memories, Shinbo noted that Oonuma would contrast close-ups of happy faces with long and sad lines from the characters (and vice versa). He considered his personal philosophy at the time to be storytelling through the pictures on the screen rather than the voices of the characters. For Natsu no Arashi!, Shinbo asked Oonuma to come up with a unique way of portraying the hot summer. After talking with the background team, Oonuma decided to use a high-contrast lighting style to emphasize the power of the sun's lighting. The shape of the lighting, however, which appears in certain shapes, was an idea Shinbo had used occasionally in prior instances, which was influenced by art director Yuuji Ikeda's work on Marude Dameo (which Shinbo worked on as an episode director). Oonuma stated that he doesn't give detailed instructions to either the cast or staff of his works, and instead develops the project around a single guideline by which all of the staff can move around and understand. In adapting works to the anime medium, he takes time trying to appeal to the intentions of the original author and the expectations of the viewers, so as to please both the audience and the creator of the work.
Works Television series In "Director(s)" column highlights Oonuma's directorial works. Year Title Director(s) StudioSBED Other roles and notes Ref(s)1997BerserkNaohito TakahashiOLMIn-between animator1998Silent MobiusHideki TonokatsuShaft (Radix)Key animator2001A Little Snow Fairy SugarShinichiro KimuraJ.C.StaffKey animator2002G-On RidersShinichiro KimuraShaftTNKKey animator2003Twin SpicaTomomi MochizukiGroup TAC2004Wind: A Breath of HeartMitsuhiro TōgōRadixTsukuyomi: Moon PhaseAkiyuki Shinbo ShaftAssistant episode directorOpening directorKey animator2005Paniponi Dash!ShaftEnding animationSupervisorAkahori Gedou Hour RabugeHitoyuki MatsuiRadixKey animator2006Negima!?Shaft2007Hidamari SketchAkiyuki Shinbo Ryouki Kamitsubo ShaftOpening directorEf: A Tale of MemoriesShaftOpening director and storyboard2nd key animator2008Hidamari Sketch x 365Akiyuki ShinboShaftOpening directorBakemonogatariAkiyuki ShinboTatsuya Oishi ShaftOpening directorEf: A Tale of MelodiesShaftOpening director and storyboard2009Natsu no Arashi!ShaftOpening directorEnding directorNatsu no Arashi! Akinai-chūShaftSeries director for 7 episodesOpening directorEnding director2010Baka and TestSilver LinkOpening director and storyboardEnding director and storyboard2011Baka and Test 2Silver LinkOpening director and storyboardEnding director and storyboardScreenplayC3Silver LinkOpening director and storyboardLevel EToshiyuki KatōPierrotDavid Production2012Dusk Maiden of AmnesiaSilver LinkKokoro ConnectSilver LinkOniAiKeiichiro KawaguchiSilver Link2013No Matter How I Look at It, It's You Guys' Fault I'm Not Popular!Silver LinkOpening director and storyboardEnding director and storyboardFate/kaleid liner Prisma IllyaSilver LinkMonogatari Series Second SeasonAkiyuki Shinbo Tomoyuki ItamuraShaftOpening director2014No-RinSilver LinkOpening director and storyboardEnding director and storyboardEnding photographyFate/kaleid liner Prisma Illya 2wei!Silver LinkInvaders of the Rokujouma!?Silver LinkOpening director and storyboard2015Chivalry of a Failed KnightSilver LinkNexusOpening director and storyboardFate/kaleid liner Prisma Illya 2wei Herz!Silver LinkChaos DragonHideki Tachibana Masato MatsuneSilver LinkConnect2016Anne HappySilver LinkOpening director and storyboardFate/kaleid liner Prisma Illya 3rei!Silver LinkMagic of StellaShinya KawatsuraSilver Link2017A Sister's All You NeedSilver LinkOpening director and storyboard2018Death March to the Parallel World RhapsodySilver LinkConnectMiss Caretaker of Sunohara-souSilver LinkOpening director and storyboardButlers: Chitose Momotose MonogatariKen TakahashiSilver LinkThe Girl in Twilight (#12)Jin TamamuraYūichi Abe Dandelion Animation StudioOkuruto Noboru2019The Ones WithinSilver LinkOpening directorEnding director and storyboard2020BofuriSilver LinkThe Misfit of Demon King AcademySilver LinkOpening director and storyboardOur Last Crusade or the Rise of a New WorldSilver Link2021Deep Insanity: The Lost ChildSilver LinkOpening director and storyboard2023Bofuri 2nd SeasonSilver LinkOpening director and storyboardThe Misfit of Demon King Academy 2nd SeasonSilver LinkOpening director and storyboardRagna CrimsonKen TakahashiSilver LinkOpening director and storyboard2025Princession OrchestraSilver LinkOpening director and storyboard2027Fate/kaleid liner Prisma Illya FinaleSilver LinkRe:bel RoboticaSilver Link
OVAs Year Title Director(s) StudioSBED Other roles and notes Ref(s)2000Luv WaveKatsuma KanazawaTriple XKey animator2002MazinkaiserMasahiko MurataBrain's BaseKey animator2003Nurse Me!Akiyuki ShinboAT-2Triangle Hearts ~Sweet Songs Forever~Akiyuki ShinboSeven Arcs2004Hourglass of SummerTakahiro OkaoRikuentai2006Negima!? Magister Negi Magi: SpringShaftNegima!? Magister Negi Magi: SummerShaftEnding animation2008Shina DarkShaftMahō Sensei Negima!: Shiroki Tsubasa Ala AlbaAkiyuki Shinbo VariousShaftStudio PastoralEnding animation2009Pani Poni Dash!ShaftMahō Sensei Negima!: Mō Hitotsu no SekaiAkiyuki Shinbo VariousShaftStudio PastoralEnding animation2011Baka and Test: MatsuriSilver LinkEnding storyboard2012C3Silver LinkDusk Maiden of AmnesiaSilver Link2014Fate/kaleid liner Prisma IllyaSilver LinkNo Matter How I Look at It, It's You Guys' Fault I'm Not Popular!Silver Link2015Fate/kaleid liner Prisma Illya 2wei!Silver Link2018Masamune-kun's RevengeMirai MinatoSilver LinkStrike the Blood IIIHideyo YamamotoConnectOpening director, storyboard, and key animatorEnding director, storyboard, and key animator2019Fate/kaleid liner Prisma Illya: Prisma PhantasmSilver Link2020The Ones WithinSilver Link
Films Year Title Director(s) StudioSBED Other roles and notes Ref(s)2017Fate/kaleid liner Prisma Illya: Vow in the SnowSilver Link2021Fate/kaleid liner Prisma Illya: Licht - The Nameless GirlSilver Link
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