I Am a Big Boss in the Fairy World

After five years of study, you come back and find yourself invincible? Dad hopes his son will succeed? Then I will show you the awesome batch at once! ! Look down on me? I'll slap you until you can't even buckle it off the wall. PS: The protagonist is decisive in killing. He doesn't mind other people's business and only does things that are beneficial to him. Apart from his relatives, all men and women are like ants in front of the protagonist. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.