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Kōji Aritomi

Director, also writer

Koji Aritomi (有冨 興二) is a Japanese anime director, storyboarder and production manager.

Biography from TMDB.

Works as
Director, also writer
Titles
29 on MovieCove · 32 credits in all

What are Kōji Aritomi's films like?

Across their 11 MovieCove titles with a thematic analysis, their films lean Self and Survival.

AI-generated from each title's plot synopsis and cast list, with extra plot summaries, reviews and Parents Guide notes for titles the model may not know, and the model's own knowledge of the ones it recognizes. Only analyzed titles count, so this covers part of the filmography; the feel axes count films only for now.

Where can I watch Kōji Aritomi's films?

As of October 24, 2026, 25 of their 29 MovieCove titles stream on a subscription or free service, most on Crunchyroll (17).

Subscription and free streaming for Kōji Aritomi's titles on MovieCove; rent and buy are not counted. Titles are listed by Midcredits score, highest first, at most 12 per service; a dashed chip is a producer credit or a minor one, such as a thanks. A service opens the browse page, which counts movies only, so its number can differ.

Filmography

32 credits, 29 with a MovieCove page.

  • Kaiju Girl Caramelise(2026)

    Show 1 episode · Director

    Midcredits score: 73rd percentile of all shows
  • Tojima Wants to Be a Kamen Rider(2025)

    Show 2 episodes · Director

    Midcredits score: 80th percentile of all shows
  • Detectives These Days Are Crazy! (not in the MovieCove catalog yet)(2025)

    Show 2 episodes · Director

  • Rurouni Kenshin(2023)

    Show 4 episodes · Director

    Midcredits score: 90th percentile of all shows
  • Eternal Boys(2022)

    Show 3 episodes · Director

    Midcredits score: 18th percentile of all shows (provisional, few ratings)
  • Midcredits score: 36th percentile of all shows
  • Build Divide: Code Black(2021)

    Show 1 episode · Director

    Midcredits score: 18th percentile of all shows
  • Tokyo Revengers(2021)

    Show 3 episodes · Director

    Midcredits score: 83rd percentile of all shows
  • Cells at Work! Code Black(2021)

    Show 1 episode · Director

    Midcredits score: 78th percentile of all shows
  • Otherside Picnic(2021)

    Show 2 episodes · Director · Assistant Director · Storyboard Artist

    Midcredits score: 20th percentile of all shows
  • Happy-Go-Lucky Days(2020)

    Second Unit Director

    Midcredits score: 24th percentile of all films
  • Afterschool Dice Club(2019)

    Show 2 episodes · Director

    Midcredits score: 23rd percentile of all shows
  • Lost Song(2018)

    Show Director

    Midcredits score: 49th percentile of all shows
  • Little Witch Academia(2017)

    Show 1 episode · Director

    Midcredits score: 85th percentile of all shows
  • Midcredits score: 64th percentile of all shows
  • The Heroic Legend of Arslan(2015)

    Show 4 episodes · Director · Assistant Director

    Midcredits score: 74th percentile of all shows
  • Terra Formars(2014)

    Show 1 episode · Director

    Midcredits score: 31st percentile of all shows
  • Wake Up, Girls!(2014)

    Show Director

    Midcredits score: 25th percentile of all shows
  • Kill La Kill(2013)

    Show 1 episode · Director

    Midcredits score: 86th percentile of all shows
  • Miyakawa-ke no Kuufuku (not in the MovieCove catalog yet)(2013)

    Show 8 episodes · Director

  • My Teen Romantic Comedy SNAFU(2013)

    Show 1 episode · Director · Storyboard Artist

    Midcredits score: 92nd percentile of all shows
  • Space Brothers(2012)

    Show 1 episode · Director · Storyboard Artist

    Midcredits score: 90th percentile of all shows
  • Naruto Shippûden: The Movie(2007)

    Storyboard Artist

    Midcredits score: 75th percentile of all films
  • Midcredits score: 61st percentile of all films
  • Bleach(2004)

    Show 6 episodes · Director · Storyboard Artist

    Midcredits score: 93rd percentile of all shows
  • Gunslinger Girl(2003)

    Show 1 episode · Director

    Midcredits score: 62nd percentile of all shows
  • Ninja Scroll: The Series(2003)

    Show Director

    Midcredits score: 47th percentile of all shows
  • X(2001)

    Show Director

    Midcredits score: 69th percentile of all shows
  • Fighting Spirit(2000)

    Show Writer

    Midcredits score: 99th percentile of all shows
  • His and Her Circumstances (not in the MovieCove catalog yet)(1998)

    Show 6 episodes · Assistant Director

  • Spriggan(1998)

    Assistant Director

    Midcredits score: 61st percentile of all films
  • Princess Mononoke(1997)

    Second Unit First Assistant Director

    Midcredits score: 99th percentile of all films

Career shape

A full career of 25 titles from 1997 to 2026.

By role

only this rolewith another role
Directing19 of 25: 14 only directing, 5 with another role · typical Midcredits score78thOther crew11 of 25: 6 only other crew, 5 with another role · typical Midcredits score75th

25 titles, 5 with more than one role — directing and other crew overlap on 5 of them.

By decade

1990s3 · crew2000s4 · crew2010s8 · crew2020s10 · crew

Counts from TMDB across their full career, self appearances out; a title counts in every role they held on it. The ring is the typical Midcredits score (the median percentile) of the role's titles that are on MovieCove, shown from 5 scored.

Is Kōji Aritomi's work okay for kids?

Across up to 5 MovieCove titles with content scores, violence & gore and sex & nudity run heavier than most films.

Their medianMedian of all filmsMiddle 80% of their titles
Violence & Gore5 titles26–86 · median 66 · intenseheavier than most filmsMedian of all films: 44
Sex & Nudity5 titles34–71 · median 52 · moderateheavier than most filmsMedian of all films: 32
Profanity5 titles25–59 · median 32 · mildnear the median of all filmsMedian of all films: 36
Alcohol & Drugs5 titles29–34 · median 30 · mildnear the median of all filmsMedian of all films: 33
Frightening / Intense5 titles23–62 · median 45 · moderatenear the median of all filmsMedian of all films: 39

Severity 0–100 from the Content Guide. Categories with under 10 votes on a title are not counted. The band's colour is the severity of their median, named beside it.

Who does Kōji Aritomi work with?

People who share at least 2 of Kōji Aritomi's MovieCove titles, grouped by what they did on them; Ryôka Yuzuki shares the most, 3.

Directors

Writers

Actors

Editors

Mixed roles