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.
and her ghostwriter came forward,
،وتقدّم قلمها المأجور
e si fosse scoperto che aveva delle ghostwriter,
e a escritora dela aparecesse,
а настоящий автор раскроет себя,