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Arc Almanac

19 Sep 2026Draft. Not yet checked against the books.

All series / Oshi no Ko / Arc 5

Arc 5 of 11 in Oshi no Ko

Arc 5: 2.5D stage play

I’ve watched through

Season 1 stops before this arc.

Season 2 covers this arc.

Season 3 covers this arc.

What happens

Aqua, Kana, Akane, and a handsome co-star who cannot act are cast in a 2.5D adaptation of a hit manga. The original author hates the script and almost pulls the license; the rewrite demands feeling Aqua has been avoiding since the night his mother died. Opening night becomes a contest between two actresses who have been scoring themselves against each other since they were children.

Where it sits

2.5D stage play in Oshi no Ko
FormatWorkLanguageUnitsVolumes
MangaOshi no KoJapaneseChapters 41–66Vol 5, 6, 7
MangaOshi no KoEnglishChapters 41–66Vol 5, 6, 7
AnimeOshi no KoSeason 2, episodes 1–9Season 2

Draft. Not yet checked against the books. Report a wrong mapping.