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.
A wicked idea?
فكرة شرّيرة؟
Eine teuflische Idee?
¿Una idea diabólica?
¿Una idea diabólica?
Une idée démoniaque ?
Un'idea malvagia?
Ideia maligna?
Преступная идея?