The Unusual Life of a Retired Demon KingGoinkyo Maou no Hinichijou; Unusual Days of Goinkyo Maou; ご隠居マ王の非日常; ご隠居魔王の非日常; 隐居魔王的非日常; Yǐnjū mówáng de fēi rìcháng; Yinju mowang de fei richang

Kurosu Kai is your typical doting father… but he also happens to be the (retired) demon king! They and others demons transferred to human world after their own world destroyed. It is the story 10 years since they came to demon world. Kai and his daughter Hana have been living peacefully in the human world, but the reappearance of Kai’s old enemy threatens to shake up their lives! What’s more, Kai’s enemy is a student at Hana’s high school?!