A young delivery driver named Michio Sagara has a hudden and twisted fetish.
He can only become aroused through voyeuristic filming.
Night after night, he indulges in his secret obsession, satisfying his distorted desires.
As this lifestyle continues, simple voyeurism is no longer enough to satisfy him.
Seeking greater thrills, he ventures into an abandoned video store rumored to be a hotspot for compensated dating.
There, just as the rumors suggested, a middle-aged man arrives with a mysterious beauty in a school uniform, Momoko Mikami.
The two enter the video store and immediately begin touching each other, and just as things are about to escalate, Momoko suddenly stabs the man to death.
She, too, harbors a twisted fetish. Her desires can only be fulfilled through murder.
Reaching her climax from the act, Momoko’s ecstasy is witnessed by Sagara, awakening a new fetish within him as he experiences his own peak.
Eventually, the two join forces to satisfy their warped cravings, taking it upon themselves to eliminate the depraved criminals lurking in the city…

(Source: MangaUpdates)