Villain's Harem Returns - Chapter 6: World War

[You have become the master of the Warden Mansion.][Your first quest is to refine mana from one of your maids by having intercourse with her.]When nineteen-year-old Jett Talon suddenly wakes on an emperor-sized bed, he finds himself lord of a mysterious mansion where countless gorgeous maids stand ready to serve. His first companion is Mia, a blonde elven maid who checks his every box. After making love to her, Jett gains mana, unlocks legendary powers, learns his duties as Master of the Warden Mansion, and uncovers its hidden secrets.

Witnessing her boyfriend cheating on her with her bestie, Shiyao was so angry that she went to a pub for fun and met a man, who was really a piece of work. After a crazy night she fled away, but was embarrassed to know that the man she slept with was her boss You Ze.
Jesus, give her a break!

- Description from Novelupdates

Lan Hengsheng was once the pride of the Lan Clan, a child prodigy with limitless potential—until his fifth birthday changed everything.Declared spirit coreless, he was abandoned by those who once praised him, dismissed as a mortal in a world ruled by cultivators. His so-called friends turned their backs on him, and the clan that once held him in high regard saw him as nothing more than a disappointment.But Hengsheng holds a secret—one that defies the natural laws of this world.Ding![Make a wish] He wished for everything! With the ability to create a system, he doesn’t need talent. He doesn’t need fate’s blessing. He can program his own path to immortality.Why struggle for enlightenment when he can create a Cultivation Optimization System?Why waste decades training when he can install a Time Acceleration System?Why risk his life searching for treasures when he can develop an Auto-Farming System?While other cultivators beg the heavens for guidance, Hengsheng writes his own cultivation manual.Armed with his cheat-like power, he will challenge geniuses, reshape sects, and rewrite the very foundation of cultivation itself.The strongest cultivator is a system maker!