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.
U-Um, I think...
...أظن
Ä-Ähm …
Este… Si no recuerdo mal…
Pues… Si no recuerdo mal…
Eh bien, ce jour-là,
V-Vediamo...
Bom, eu acho...
А-а, ну, тогда...