It was announced that Teniwoha and Riichu’s Killed Again, Mr. Detective? light novel series will receive a television anime in April 2026.

The initial staff and cast were revealed as follows:
Staff
- Director: Takashi Naoya
- Studio: Lifenfilms
- Scripts / Composition: Mio Inoue
- Characters: Akiko Kumada
- Music: Shuuhei Mutsuki
- Color Key Artist: Emiko Onodera
- Art Director: Kuniaki Nemoto
- Art: Kusanagi
- Compositing Director of Photography: Hisayoshi Yamamoto
- Sound Director: Kōhei Yoshida
- Sound Production: INSPION Edge
- Music Production: Nichion
Cast
- Rikuya Yasuda as Sakuya Outsuki
- Shion Wakayama as Lilithea
The story of Killed Again, Mr. Detective? is described as follows:
Sakuya Otsuki is the son of a legendary detective, working to follow in his father’s footsteps with his assistant, Lilithea. However, something’s different about this high-school sleuth. Wherever he goes, he always manages to get himself entangled in his cases—as a murder victim! When Sakuya is tasked to infiltrate a luxury cruise ship, he finds himself killed once again. But every time he reopens his eyes, Lilithea is there by his side, ready to help him get to the bottom of the mystery…
A promotional trailer was released, which you can check out below:
Source: AnimeNewsNetwork

