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.
She's the one who did it!
!إنها من فعل ذلك
dann wohl sie!
Ela quem fez isso!
Это её рук дело!