Confinement King

A confinement life swirling with love and hatred begins now—!

“Devil Support Campaign! Congratulations—you’ve won!”

One day, a young-looking girl dressed in bondage gear suddenly appears in Fumio Kijima’s room, claiming to be a devil.

Introducing herself as a campaign girl from the Demonic Realm, she tells Fumio that he possesses an extraordinary talent for evil and grants him 『the ability to create rooms out of nothing』.

At first, Fumio makes reasonably convenient use of the room without abusing it, using it to transport things and the like. But after a certain incident, he resolves to take revenge on the people who made him suffer.

“I’ll make you regret it!!”

Using his 『Ability』 to create rooms, he begins his revenge through confinement and brainwashing…