An Old Scar and the Detective's Spirit

Later, Takagi comes to the conclusion that a man named Dokurou Kibo is the serial killer. Aside of his past as an ex-con, Kibo had some very incriminating actions und his belt: he used to bicker about different themes with the victims in the parlor, and the last one (which he had with Hiramune alone) finished with him flipping their table (and damaging the…

Synopsis excerpt via Kitsu.