Demon King/Demon Queen

"I do not trust humans. They'll betray you without fail." Aur, the man who had obtained the ability and right to become the Maou at the end of his life of research. Summoning the succubus Lilu, he then sets out on creating his own domain, a gigantic

Flay has been fired from the academy after being set up by his colleague. He receives a job offer from a mysterious maid. The job offer is to be a tutor to the five daughters of the Demon King! At first, they didn't trust him to be taught by a human,

A hero undertakes the task of defeating the Demon King for the sake of world peace. When he arrives at the Demon King's castle, he is greeted by the Demon King with a marriage certificate in his hand! The hero is bewildered by the Demon King's strong

One day, the Demon Queen saves Haru, a young human boy about to be sold as a slave, and takes him back to be her attendant. Some years later, the bored demon queen asks our now fully grown and handsome Haru what else she has left to do."Marriage," Ha