130 million slaves with Dai Slave Ward (Volume 1-4)

Publisher: Futabasha
Author: Ooshi Hiroto, Shinichi Okada
Size: 128mm x 182mm
Number of books: 4
Language: Japanese
Category: Youth manga, manga
Latest publication date: 2019-03-22

Synopsis:
School Caste, Dark Market, Kuchak Chakchuku Chakucha-- Ooshi Hiroto x Shinichi Okada in "Slave Ward", a new group drama about "Kimi", the opening.
At Oyashima Gakuin High School, known as one of the leading schools in Japan, an experiment was conducted. The experiment is simple, just attach a device called "SCM" in the mouth.
However, the device called "SCM" was a white thing that could make others a slave!