Hello, 110? My Desk Drawer Is Eating the Campus Belle

[No female lead, no harem, and the male lead sleeps around without getting emotionally involved] Chen Nan, a poor student, awakens the [Get Stronger by Making Enemies] System. By provoking people with his words and actions, he can make them hate him and grow stronger. From then on, the ghosts live in fear: (Beautiful female ghost): “He wants me to become the Pirate Empress, and not the censored kind. If I refuse, he’ll force me to work the streets.” (Professional racing driver ghost): “His driving speed is unprecedented. I actually got carsick.” (Playboy ghost): “I’m already enough of a jerk, but next to him, I seem downright devoted.” (Underworld judge): “What? Chen Nan is going to die? No way, absolutely not! Add five hundred years to his lifespan.” The ghosts huddle together: “Someone, please save us…” [The blurb doesn’t do this story justice. Please read the book itself. If you don’t laugh, you can come hit me.]