OSHI NO KO Season 4 (Final Season) Teaser Visual and Trailer Revealed

The previously announced final season, OSHI NO KO Season 4 revealed a teaser visual and trailer. The announcement was made at the Ichigo Production☆Fan Thanksgiving 2026 event held on August 16.

You can watch the trailer below.

The TV anime adaptation is based on the manga series written by Aka Akasaka (Kaguya-sama: Love is War) and illustrated by Mengo Yokari (Scum’s Wish). The first season premiered in March 2023 and swept our Spring 2023 seasonal rankings, while the second season was also voted as the most anticipated anime of Summer 2024. The third season also bagged multiple awards, including Winter 2026 Anime of the Season. All three seasons were animated by Doga Kobo.

The voice cast consists of:

• 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
• Rie Takahashi as Ai Hoshino

Crunchyroll describes Season 3 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…

Source: OSHI NO KO Official Website
©Aka Akasaka x Mengo Yokoyari/Shueisha, “OSHI NO KO” Partners