- Arata Nagai (Kimihiko Kimizuka (voice))
- Saki Miyashita (Siesta (voice))
- Ayana Taketatsu (Nagisa Natsunagi (voice))
- Kanon Takao (Yui Saikawa (voice))
- Saho Shirasu (Charlotte Arisaka Anderson (voice))
- Maria Naganawa (Alicia (voice))
- Yoshitsugu Matsuoka (Bat (voice))
- Mai Fuchigami (Fuubi Kase (voice))
The Detective Is Already Dead — S1E3
Episode: That's Yui-nya Quality
Air Date: 2021-07-18
Runtime: 24 min
Overview
A teen idol, Yui Saikawa, enlists Kimizuka and Natsunagi--who has taken up the mantle of legendary detective--to guard a priceless sapphire. In preparing for this, the two realize that more than just a precious jewel is at risk.