The supporting character's harem is very normal - Chapter 535: That is none of your concern

Mortimer Zhu is an extremely unfortunate high school student who accidentally enrolls into an academy of a dubious nature, where it is the norm to jump in front of moving trains, get dismembered during orientation, and crushed by vindictive bouncing classrooms. Can he stay alive or will he die from the rigors of school? Why have evil spirits suddenly acquired a taste for his flesh?

- Description from Novelupdates

The King of Hell sentences you to death by midnight, but I can ensure that you live past morning.

The young man, Qin Lang, received the inheritance of a poison school by chance. He uses poison to kill people, uses poison to save people and he uses poison to chase beauties. With body of ancient extinct poison and a body of a martial artist, he walks around the city, and wanders around in the underworld.

- Description from Novelupdates

As his contract-marriage wife, she just wanted to fulfill the mission given by his mother—having a baby. They didn't love each other, so he always used contraception before they got laid. She had been obedient to him, only to find that he had gone too far! He actually didn't care about their child at all! She couldn't stand it anymore, so she handed him the divorce papers and left, noting: “The world is so huge that I can surely find a better man.”Looking down at her, he retorted, “Come on, your purse strings will tighten up first before you find anyone.”

【Love Simulator, at your service】【The simulated content will be presented in the form of text and memory scenes】【The simulation process is divided into three stages: pursuit stage, romance stage, and twist/heartwarming stage】【After the simulation ends, a score and commentary will be generated to help you evaluate this relationship】【Click to continue】….In Japan, Minami Yuuki received a love simulator.What’s the point of a fake simulation?He used to disdain it.Until he discovered that he could acquire skills honed in simulated life and even gain future information through simulation.Simulated romance is really fascinating!