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.
Those weren't silly!
!لم يكن سخيفًا
Ça n’a rien de nul !
Non è vero!
Não foi besta!
Оно было не дурацкое!