The Evil Shadow

The protagonist has been bullied since childhood, but by chance he gets an opportunity and develops some evil skills. Since then, those who bullied him have been tortured and killed by the protagonist... Due to the injustice he suffered since childhood, the protagonist's heart has long been filled with darkness and distortion, and he will be killed if he disagrees with her! He acts arrogantly and does whatever he wants. He falls in love with a certain heroine and immediately captures her to sleep with her! Since then, he has been called the big devil by people from all walks of life, and everyone wants to kill him...