Maou no Musume wa Yasashisugiru!!

Dou, a cute little kid and the daughter of demon lord Ahriman, who wanted to destroy humans but couldn’t because of Dou. She loves everyone, even humans, and this is stopping him from doing anything. Ahriman never stops her from being too kind to anyone; instead, he appreciates her actions. With Jahy as her mentor, they try to change her thoughts from being kind to a true evil demon.