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Cover of Oneechan Gokko

ONA

Oneechan Gokko

AiringWinter 2026

MysteryPsychologicalSci-FiSupernaturalThriller
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Where to watchAvailability varies by country
Runtime
25 min per episode
Average score
73 / 100
Next episode
Airing this season. The next episode and its day are unverified.
Also known as
OneGo
Onee-chan Gokko
Playing Sister
お姉ちゃんごっこ

About this title

An ONA. First released in Winter 2026. Currently airing. Genres: Mystery, Psychological, Sci-Fi, Supernatural, Thriller.

There is no synopsis for this title yet. These facts come from Shiori’s catalog data.

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3 episodes
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  1. Episode 1
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  2. Episode 2
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  3. Episode 3
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