Overflow (2020)

A short-form Japanese adult animated series blending ecchi comedy and nostalgic childhood bonds across just eight compact episodes.

Overflow - Series Information

  • Original Title: おーばーふろぉ
  • First Air Year: 2020
  • Last Air Year: 2020
  • Type: TV Series
  • Genres: Animation
  • Content Rating (US): TV-MA
  • Episode Runtime: Average runtime per episode (7 minutes)
  • Number of Seasons: 1
  • Number of Episodes: 8
  • Status: Ended
  • Original Language: Japanese
  • Spoken Languages: Japanese
  • First Air Date: January 6, 2020 (United States - TV-MA), January 6, 2020 (Germany - 18), January 6, 2020 (Brazil - 18), January 6, 2020 (Italy - VM18)
  • Networks: Tokyo MX
  • Production Companies: studio HōKIBOSHI, Suiseisha, WWWave
  • Production Countries: Japan
  • Alternative Titles: Overflow (DE), おーばーふろぉ~とある兄妹の禁断性交~ (JP), Перелив (UA), Overflow (BR), overflow (CN), Iretara Ofureru Kyōdai no Kimochi (Overflow) (FR), 오버플로우 (KR)

Overflow - Plot

Kazushi Sudou is a university student who is visited by his two childhood friends, the sisters Ayane and Kotone Shirakawa. When Ayane discovers that Kazushi not only forgot to buy her pudding but is also using her special lotion in the bath, she decides to take revenge and join Kazushi in his bath along with Kotone. Will the perverted Kazushi be able to remain indifferent to them both?

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Overflow - Cast & Crew

Main Cast

  • Mitsu Anzu
  • Tomoe Tamiyasu
  • Sada Naohiro

Writers

  • Eeyo Kurosaki

Overflow - FAQs

Where can you stream Overflow online?

Overflow is available to stream on select adult anime platforms. You can check JustWatch for the most up-to-date regional streaming availability. The series originally aired on Tokyo MX in Japan beginning January 6, 2020, and has since become accessible through various digital outlets.

Is Overflow based on a manga?

Yes, Overflow is adapted from a manga of the same name. The source material is an ecchi manga that follows the comedic and romantic misadventures of Kazushi Sudou and the Shirakawa sisters, Ayane and Kotone, and the anime adaptation closely follows its storyline.

What is the content rating for Overflow?

Overflow is rated TV-MA, meaning it is intended for mature audiences only. The series contains explicit adult humor, ecchi content, and situations of a sexual nature. It is not suitable for viewers under 18. International ratings include 18+ classifications in Germany, Brazil, and Italy.

How many episodes does Overflow have?

Overflow consists of 8 episodes across a single season. Each episode has an average runtime of approximately 7 minutes, making the entire series a compact watch. The show aired its complete run in early 2020 and has since concluded with no additional seasons announced.

Who are the voice actors in Overflow?

The main voice cast of Overflow includes Mitsu Anzu as Kotone Shirakawa, Tomoe Tamiyasu as Ayane Shirakawa, and Sada Naohiro as protagonist Kazushi Sudou. The series is a Japanese-language production with all performances delivered in Japanese.

What is Overflow about?

Overflow follows Kazushi Sudou, a university student whose two childhood friends — sisters Ayane and Kotone Shirakawa — visit him unexpectedly. After a minor dispute over forgotten pudding and borrowed lotion, Ayane insists on joining Kazushi in the bath, setting off a series of comedic and ecchi encounters.

When did Overflow first air?

Overflow first aired on January 6, 2020, on Tokyo MX in Japan. The series ran its complete 8-episode first and only season through early 2020. The same premiere date applies to its international release in regions including the United States, Germany, Brazil, and Italy.

Is Overflow cancelled or will there be a Season 2?

Overflow has officially ended after its single 8-episode season in 2020. No second season has been announced, and the series is not currently in production. Given the short-form nature of the show and the time elapsed since its conclusion, a renewal appears unlikely.

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