The previously announced final season, Oshi no Ko Season 4, revealed a teaser visual and a brand-new trailer. The major announcement was made at the Ichigo Production☆Fan Thanksgiving 2026 event held on August 16.
The TV anime adaptation is based on the hit manga series written by Aka Akasaka (Kaguya-sama: Love is War) and illustrated by Mengo Yokoyari (Scum’s Wish). The first season premiered in March 2023 and swept seasonal rankings, while subsequent seasons continued to break records and win multiple awards, including Winter 2026 Anime of the Season. All seasons have been masterfully animated by studio Doga Kobo.
The stellar voice cast includes Takeo Otsuka as Aquamarine Hoshino, Yurie Igoma as Ruby Hoshino, Megumi Han as Kana Arima, Manaka Iwami as Akane Kurokawa, Rumi Okubo as Mem-cho, Lynn as Miyako Saito, and Rie Takahashi as Ai Hoshino.
Crunchyroll describes the narrative momentum leading into the final arcs as follows: It’s been six months since “POP IN 2” was released. Thanks to MEM-Cho’s hard work, B-Komachi is about to get their major break. Aqua is a multi-talented entertainer, and Akane’s career as a talented actress is going smoothly. Meanwhile, Kana lost the cheerfulness she once had. To track down the truth behind Ai and Goro’s deaths, Ruby keeps rising in the entertainment world…
