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.
Yes.
.أجل
Ja.
Sí.
Sí.
Oui. M. Hashimoto a eu l’idée
de simuler le suicide de Rika
Sì. Hashimoto-san 
aveva intenzione di uccidere Rika-san
Sim.
Да.