Mystery writer Kosaku Asahina scores yet another scoop in a case that occurred in the streets. He even personally conducts investigations and frequently makes these cases the basis for his own novels. It maybe because his late father was a scholar that he is cool, but brims with curiosity and action. One day, Kosaku is facing the computer in his living room and writing a new novel. The novel is based on the baffling case of a female who fell to her death in Setagaya in the past. Kosaku had perso...