One Piece: The Soul Purchasing Pirate - Chapter 248: Golden Light vs Black light!

The little doctor traveled back to 1981 and became a health school student at the beginning. After graduation, he was assigned to be raped by others.

It seemed that his future was bleak. But with his superb medical skills, firm personality, and golden finger benefits, let’s see how Chen Qi went from a doctor in a township hospital to a domestic medical leader, an internationally renowned surgical expert, and finally he and his wife The story of becoming “one double academician”.

- Description from novelbuddy

[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.

With the revival of spiritual energy and the breakdown of the order of species, it is a difficult test whether human beings can still stand at the top of the biological chain.

(There is already an old book, The Strongest Descends in the City, you can read it.)

- Description from novelbuddy