Oshi no Ko Season 3 revealed on Sunday that the opening theme song is titled “TEST ME” and is performed by South Korean-Japanese singer Chanmina. The song is also featured on a new trailer that was unveiled today. The third season is set to begin on January 14.
Additionally, a new visual was also unveiled:
Studio Doga Kobo is returning to animate with Daisuke Hiramaki as director. The ending theme song “Serenade” is performed by natori and was featured on a trailer. 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 will be streaming Oshi no Ko Season 3, beginning in January 2026. They describe it 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 X
©Aka Akasaka x Mengo Yokoyari/Shueisha, “OSHI NO KO” Partners


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