Shinou Ryo

Akamine and Utsumi are two men linked by a dark past only Utsumi remembers: Akamine raping him six years earlier. But when Utsumi comes to exact his revenge, old wounds are reopened and the two become locked in a cycle of violence, betrayal, longing, and despair.

University student Naruse appears as a customer before Kei, a travel host from an Erogenous Aesthetic shop specializing in services to women. Kei offers Naruse the limited edition "Return to Origins Course", after being asked to treat Naruse as he would a girl. He can't provide an honest service to Naruse after being tricked, after all. But Naruse, who chose the service, experiences a profoundly sad memory amidst this encounter…

Dan Hiroki, the Chief of the Tokyo Metropolitan Police Department's 1st Investigation Division. An elite among elites with a brilliant career, his hidden face is that of a serial killer who enacts vigilante justice upon sinful villains. This is the second official spin-off of "Trace: Reminiscences of a Forensic Scientist." The devil's pleasurable record of condemnation, preying on the wicked, begins. (Source: Comic Zenon, translated)