Oneechan Gokko


Playing Sister

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Alternative Titles

Synonyms: Onee-chan Gokko
Japanese: お姉ちゃんごっこ
English: Playing Sister
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Information

Type: ONA
Episodes: 3
Status: Currently Airing
Aired: Jan 31, 2026 to ?
Producers: None found, add some
Licensors: None found, add some
Studios: Studio Gohan
Source: Original
Genres: MysteryMystery, SupernaturalSupernatural, SuspenseSuspense
Theme: PsychologicalPsychological
Duration: 25 min. per ep.
Rating: PG-13 - Teens 13 or older

Statistics

Score: N/A1 (scored by - users)
1 indicates a weighted score.
Ranked: #195772
2 based on the top anime page. Please note that 'Not yet aired' and 'R18+' titles are excluded.
Popularity: #18207
Members: 505
Favorites: 4

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Resources

N/A
Ranked #19577Popularity #18207Members 505
Add to My List
Episodes: /3

Synopsis

In the distant future, Kagami Village is a suburban mountain village that has been left behind by the highly developed science and technology in urban areas. "If you're not well behaved, a look-alike will come." Higure Akane, a middle school student living in this village where an old legend still remains, was looking forward to being reunited with her older sister Higure Sui, who has been released from the hospital after a year. However, shortly after her sister's release from the hospital, Akane receives a phone call. "The person in that house is not your older sister."

(Source: Official site, translated)

Characters & Voice Actors


Staff

Harumaki Gohan
Director, Script, Editing, Music


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Opening Theme

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Ending Theme

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Reviews

Feb 1, 2026
Preliminary (1/3 eps)
Amazing work of art that I can't believe is free on YouTube. The artwork is great, the light is great, the story is great, but holy cow the sound design is really really good. The eerie background music sets the tone so well. The songs are very much part of the story. It feels like a psychological horror anime because of the music.

I like how the story jumps around. It makes it fun to piece together when different things happened at which times. I'm excited to solve the mystery as I continue the show.

I think everyone should try it out, especially since it's free.

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Recent Forum Discussion

Poll: Oneechan Gokko Episode 1 Discussion
machy871 - Jan 31
4 repliesby Haigen »»
Feb 5, 3:45 PM