The supporting character's harem is very normal - Chapter 320 Lathel vs. Five Maids and Iritellis

A rich young master, a hedonist, has the Hedonist Sovereign System forced upon him. Follow this hedonist on his adventure of becoming a Hedonist Sovereign through doing real life quests, filled with action-packed battles and hilarious moments. A lazy and slothful hedonist doing exercise in the morning? A spoilt and self-entitled hedonist starting from the bottom as a salesperson? Watch as Qin Feng is changed by the Hedonist Sovereign System, inside and out!

- Description from Novelupdates

Feng Yun was an ordinary young man who was unable to cultivate. One day, He got the inheritance of the Ancient Yang Demon Clan and a mysterious sword. With these he became a super genius and started his new journey from a small town to heaven, sweeping across the world, vying for the supreme existence.

『I’m terribly sorry…』

A god was suddenly prostrating in front of Kayano Takumi. He was apparently killed by mistake. Moreover, he can’t be reborn again. However, he is able to live in a different world? Then, let’s do that, please. The god made a mistake again and transferred me into a dangerous forest. Seriously, what’s going on? Besides, there are children here. I can’t leave them here, I will take care of them.