The supreme strongman who once dominated the demon world was tired of the endless killings and chose to retire from the world and open a small milk tea shop. However, there are always righteous monks who don't care about life and death come to kick the door. The school belle from the cultivation college next door comes to buy taro balls every day. Even the food delivery platform always pushes him advertisements for "Crash Course in Revival of the Demonic Path" - the ordinary daily life of this retired demon lord seems to be a bit more lively than when he slaughtered the three realms.