On Valentine's Day, popular mystery author Aigasa Kurisu invites Kiyotaka and Aoi to the Shinkokan at the Yoshida-Sanso. But instead of an innocent book reading, they find a group of suspects and a mystery to be solved.
Hashimoto-san, Suzuka-san, Kumi-san, 
Oda-san, and Kikuchi-san
هاشيموتو-سان وسوزوكا-سان وكومي-سان
وأودا-سان وكيكوتشي-سان
dass Herr Hashimoto, Suzuka, Kumi,
Herr Oda und Herr Kikuchi
Hashimoto-san, Suzuka-san,
Kumi-san, Oda-san y Kikuchi-san.
Hashimoto-san, Suzuka-san,
Kumi-san, Oda-san y Kikuchi-san.
Hashimoto-san, Suzuka-san,
Kumi-san, Oda-san e Kikuchi-san
Господин Хасимото, Судзука, Куми, 
господин Ода и господин Кикути