Died A Loser, Reborn A Monster: Welcome To My Harem World!

Kazuma Satou is a young and aspiring man who had always dreamed of enjoying his college life, but little did he know that his dream would be shattered. In his first year in college, he became a victim of bullying, and every day was like hell for Kazuma. Until one day, it became unbearable to the point that he decided to kill himself. When he died, he opened his eyes to see nothing but absolute darkness, and then a system prompt appeared in front of him: "Do you want to seek revenge?" Kazuma didn't hesitate with his reply and quickly selected "Yes." Then a prompt appeared with the words: "Going back 5 years in the past." What do you think ,you will do, when you get a chance to get revenge on everyone that made you die in your first life . Welcome to my story on how I become the first man to f**k up the world and gain revenge on everyone that did me wrong Yes this is a 18+ rated novels Only read if you are a degenerate because you will see alot of stuffs that you won't even know existed Yes there will Threesome, Bdsm anything you can think of P.S : Everybody on this novel are in college so there are all above 18 years old.