お姉ちゃんごっこ (2026): Besetzung, Handlung & Streaming

Released in 2026, お姉ちゃんごっこ is an animation and mystery series.

What it’s about. In the distant future, on the outskirts left behind by the rapid concentration of advanced science and technology in urban areas, lies a remote mountain village known as Kagami Village. "Behave yourself, or a Double will come for you." Such old folklore still lingers in this village. Akane Higure, a middle school student living in Kagami Village, has been eagerly awaiting the return of her older sister, Sui Higure, who is finally being discharged from the hospital after a year. However, not long after her sister comes home, Akane receives a single phone call. "The girl at home with you... isn’t your sister."

Who’s in it. お姉ちゃんごっこ stars Erika Miyazaki as Akane Higure (voice), Isekaijoucho as Sui Higure (voice), Arisa Sugimoto as Mari (voice) and Reina Nagao as Shopkeeper (voice) / Police Officer (voice) / Additional Cast (voice), among others.

How it landed. With an audience score of 4.0/10, お姉ちゃんごっこ has proved divisive with audiences.

Where to watch. Streaming options change often. See the full, country-by-country breakdown on our where to watch お姉ちゃんごっこ page.

If you liked it. Fans of お姉ちゃんごっこ tend to enjoy Rick and Morty, Demon Slayer: Kimetsu no Yaiba, Attack on Titan and Attack on Titan: No Regrets.