Billionaire's Runaway Wife Came Back With Babies - Chapter 2 - She Only Has a Bad Daddy, No Mommy

A part-time job contract. He became the cold CEO’s imitation boyfriend. He merely wanted to earn a few small bucks and live a comfortable life, but a pity, he was in constant turmoil since then. Well, life had something else for him despite his wishes.“That… beauty, will there be an increase in wages for conversion from ‘boyfriend’ to ‘husband’?”

- Description from Novelupdates

[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.

In one lifetime, he gave up his heart so that she might live. In this new lifetime, she’ll pledge her heart to him forever.“I’m your future wife,” she declared her love at their first encounter. Shocked by this mysterious woman professing her love, Mr. Hao chose to take her in and learn more about her. He would give her anything she wanted, except his hand in marriage…because he wanted to be the one who asked “Will you be my future wife?”Will their love blossom again? Will she be his future wife? Follow the journey of Mo Yun & Hao Yansen in “You Are My Only Sunshine.”

Reborn as a sword, he lived for hundreds of years, and then he occupied the body of a 15-year-old prince.