Detective Ukishima has a kink: he gets sexually excited by dangerous situations. He has always jerked himself off after dangerous incidents, feeling both a sense of depravity and elation... but everything changes when he meets a suspicious man by the name of Makabe. On the day they meet, while still knowing nothing about each other, Ukishima is violently raped by Makabe, and derives an indescribable pleasure from it. However, when Makabe comes up as a suspect in the case that Ukishima is pursuing, their relationship becomes even more taboo