In ancient times, demons ruled the world, and humans and demons coexisted peacefully. However, humans are uniquely gifted in learning and have replaced the demon clan as the overlord of the world in recent thousands of years. The ever-expanding human race set its sights on the demon clan and began to hunt and kill the demon clan.
The fates of a demon boy and a human monk were entangled in an accident.
Concept: The daily life of a demon boy and a human monk