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.
Naturally, you were both furious,
،وبطبيعة الحال، غضبتما كثيرًا
Suzuka et Kumi
se sont brusquement emportées,
Ovviamente, ne seguì una litigata con voi,
 Suzuka-san e Kumi-san.
Naturalmente, vocês ficaram furiosas,
Естественно, это привело вас в ярость,