Light Novel 'Mata Korosarete Shimatta no desu ne, Tantei-sama' Gets TV Anime in Spring 2026
The MF Bunko J Autumn School Festival 2025 announced a television anime adaptation of Teniwoha's Mata Korosarete Shimatta no desu ne, Tantei-sama (Killed Again, Mr. Detective.) light novel on Sunday, revealing the main cast, staff, a teaser visual (pictured), and teaser promo. The anime series will begin airing on TBS in April 2026.
Voice actors Rikuya Yasuda (Beelzebub-jou no Okinimesu mama.) and Shion Wakayama (Dandadan) are starring as Sakuya Outsuki and Lilithea, respectively.
Staff
Director: Takashi Naoya (Osananajimi ga Zettai ni Makenai Love Comedy)
Series Composition: Mio Inoue (Bukiyou na Senpai.)
Character Design: Akiko Kumada (Saezuru Tori wa Habatakanai: The Clouds Gather)
Color Design: Emiko Onodera (Kimi wa Houkago Insomnia)
Art Director: Kuniaki Nemoto (Sword Art Online Alternative: Gun Gale Online)
Background Art: Kusanagi (Summertime Render)
Director of Photography: Mitsuyoshi Yamamoto (Kiznaiver)
Sound Director: Kouhei Yoshida (Make Heroine ga Oosugiru!)
Sound Production: INSPION Edge
Music: Shuuhei Mutsuki (Lycoris Recoil)
Music Production: Nichion
Studio: LIDENFILMS
Teniwoha began penning the mystery romance series under the MF Bunko J imprint in August 2021, featuring illustrations by Riichu (Hikikomari Kyuuketsuki no Monmon). Kadokawa published the fifth volume on March 25, with the sixth volume going on sale on November 25.
Inaba drew a manga adaptation on the Dra-Dra Flat♭ digital manga from July 2022 to March 2024. Kadokawa released the second and final volume in March 2024.
Yen Press licnesed the manga in English this February and published the first volume on August 26. The second volume is planned for a January 20, 2026 release.
Synopsis
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... (Source: Yen Press)
Teaser PV
Official X: @matakoro_anime
Novel special site: https://mfbunkoj.jp/product/tanteisama/
Novel official X: @detectiv_sd
Source: PR Times
Mata Korosarete Shimatta no desu ne, Tantei-sama on MAL
4 Comments Recent Comments
Really liking the themes here, being in a situation like that with sheet music in the background. Interesting!
Nov 16, 2025 5:01 PM by Retro8bit
This airing immediately before The Detective is Already Dead S2 is probably going to confuse people.
Nov 16, 2025 2:28 PM by kta_99
This looks amazing, and I’m definitely going to check it out when it’s released.
Nov 16, 2025 2:18 PM by aemeath
Related Database Entries
| Anime: | Mata Korosarete Shimatta no desu ne, Tantei-sama |
| Manga: | Mata Korosarete Shimatta no desu ne, Tantei-sama |
Search News
Related News
-
-
-
-
Light Novel 'Bokutachi no Remake' Gets Anime Adaptation Dec 20, 2019 10:25 AM by Sakana-san8 Comments -
Light Novel 'Tefuda ga Oome no Victoria' Gets TV Anime Sep 12, 2025 8:57 AM by nirererin3 Comments
MoreNew Anime
-
-
Manga 'Yani Neko' Gets TV Anime in Summer 2026Feb 1, 7:44 AM by DatRandomDude18 Comments
-
-
-
Manga 'Nippon Sangoku' Gets TV Anime in Spring 2026Jan 27, 2:28 AM by Syureria27 Comments
MoreSpring 2026
-
-
'Yomi no Tsugai' Unveils Additional Cast, Theme Songs, Main PromoYesterday, 4:48 AM by nirererin7 Comments
-
-
-
'Yowayowa Sensei' Unveils Additional Cast, Teaser PromoJan 28, 1:49 AM by Syureria7 Comments
MoreSummer 2026
-
-
Manga 'Yani Neko' Gets TV Anime in Summer 2026
Feb 1, 7:44 AM by DatRandomDude18 Comments
-
-
-
Manga 'World Is Dancing' Gets TV Anime for Summer 2026Jan 21, 2:43 AM by nirererin9 Comments
Nov 16, 2025 8:14 PM by Piromysl