Multidimensional Control Mechanism YODAKA performs opening song “Stardust Eureka”
The official website for the television anime of writer Teniwoha and artist Riichu’s Killed Again, Mr. Detective? (Mata Korosarete Shimatta no desu ne, Tantei-sama) light novel series unveiled the anime’s main promotional video, key visual, and April 2 premiere. The video announces and previews the opening theme song “Stardust Eureka” by Multidimensional Control Mechanism YODAKA, the solo project of former FISHLIFE member Naohiro Hayashi.
The anime will debut on April 2 on the TBS channel at 25:58 JST (effectively April 3 at 1:58 a.m. JST). The anime will then run on BS11 on April 3 at 11:30 p.m. JST.
Image via Killed Again, Mr. Detective? anime’s X/Twitter account
© 2026/てにをは/KADOKAWA/またころ製作委員会
The anime will star:
Takashi Naoya (Übel Blatt, Am I Actually the Strongest?) directs the series at Lifenfilms. Mio Inoue (My Awkward Senpai, Slow Start) is in charge of the series scripts, and Akiko Kumada (Twittering Birds Never Fly: The Clouds Gather) is designing the characters. Shūhei Mutsuki is composing the music for the series.
Other staff members include:
Yen Press publishes Inaba’s manga adaptation of the novels and describes the story:
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…
Kadokawa launched the novels with its first volume in August 2021. The sixth volume shipped on November 25.
Inaba’s manga adaptation launched on Kadokawa’s Dra Dra Flat manga site in July 2022, and it ended in its second compiled book volume, which shipped in March 2024. Yen Press published the first volume in English on August 26, and the second and final volume on January 20.
Sources: Killed Again, Mr. Detective? anime’s website, Comic Natalie
