Four years before Silent Parade (2022), Yukawa and Kusanagi investigate the murder of a writer after a video found in his possession piques Yukawa’s interest.

Physicist Manabu Yukawa returns to Japan from America. Detective Kaoru Utsumi visits him and talks about a case. The case is about a popular girl in a town who disappeared…

A baffling series of crimes turns out to be the work of Shiriarty, a villain who seeks to steal a mysterious treasure known as the “O-PARTS”. Oshiri Tantei along with…