Doreiku - GANG AGE - summary: Set in the fictitious city of Greater Tokyo Ward where people using the device "SCM" that can make others into slaves. In this world you can "borrow" and become a "slave" or "lend" and become a "master"? This work is the latest in the mystery-group image drama "Slave Ward" series by Shinichi Okada, with a cumulative circulation of over 3.6 million.