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.
but you came alone tonight?
إلّا أنّك أتيت لوحدك الليلة؟
Heute allein?
¿Vino solo?
¿Ha venido solo?
mais vous êtes venu seul ?
Oggi è da solo?
e veio sozinho hoje?
но почему вы сегодня один?