【Demon King】A Sadist Of Good Heart!?

Manga English: https://www.webcomicsapp.com/comic/5f9a67508c252b5c636a415e

Manga Español: https://www.pixiv.net/user/25985081/series/58752

~This story is a Sadistic Comedy, a "Satire"? Also. Who is the culprit?
"The Demon King"~