Dorei-ku: Boku to 23-nin no Dorei (奴隷区 僕と23人の奴隷) is a Japanese novel series written by Shinichi Okada. A manga adaptation written and illustrated by Hiroto Ōishi was serialized from 2012 – 2016. A live action film was released under the title Tokyo Slaves in 2014, and an anime television series adaptation of the manga aired April 13, 2018 – June 29, 2018.
What if you could enslave anyone you ever wanted? Well, this comes close. The SCM lets you enslave anyone who is also wearing an SCM, at a price. One must win over the other, at anything, in order for the other to become their slave.