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.
You've really grown up, Aoi-san.
.لقد كبرتِ حقًّا يا آوي-سان
Tu es devenue adulte.
Aoi-san, sei diventata un'adulta.
Você cresceu mesmo, Aoi-san.
Ты очень позврослела, Аой.