Little Devils v01-v04 (2018-2020)

English translation of the Japanese manga Maou Kyoudai (魔王兄弟).
The hero Byron was tasked by a deity to raise little demon children who were actually the Demon King
It's his job to raise them to be good people and not let their evil sides shine through
A chuckle-worthy and light manga series of a hero's day-to-day life taking care of 12 demon kids
After the defeat of the demon king, twelve adorable demons were born into the world. God orders Byron, a hero, to raise the little devils into paragons of virtue--for the sake of peace across the land. Now Byron must summon household powers and slay domestic chores in the life-or-death struggle of raising little kids!