Muryoku Seijo to Munou Oujo is a Manga/Manhwa/Manhua in english language, Action series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

Wouldn’t it be possible to prevent a bad reputation if we turned children destined to become destructive villains into hunters and legendary hunters? If you don’t do anything, waiting is just a terrible reputation. 멸망급 빌런들의 선생님 / Teacher of the End-Of-The-World Villains / The Teacher of Catastrophic Villains / Master of Villains