My Shadow Monarch's System - Chapter 6: Monster Raiding.

A tale about the former leader of a special organization served under royalty, now leaving his past life behind and unintentionally getting involved with the martial world.

- Description from Novelupdates

Ning Yechen used to be the Demon Lord. He singlehandedly took over the Demon Realm and attacked the Heavenly Realm. His name preceded him throughout the Six Realms. He got tired of fighting, so he quietly went into seclusion and became a happy hermit.One night, an Empress from the Heavenly Realm fell into the Mortal Realm after someone drugged her with an aphrodisiac. She inadvertently fell into his room, and they made out. After the deed, the Empress quietly left. Just when he thought he would never see her again, she showed up in front of him ten years later, bringing a child, saying it was his daughter and demanding accountability from him! “She’s your daughter. You have to be responsible for us!” Ning Yechen was stunned!

Liam Sera Banfield is a reincarnator.

In a supernatural world where secret forces are at play in the courts, Qi Xuansu, a seventh-rank Daoist priest, finds himself in a struggle to escape his fate as a pawn. The only way to do so is by completing missions and earning enough merit to buy back his freedom. But first, he must enhance his cultivation and climb the ranks of the Daoist Order. Follow Qi Xuansu as he unlocks his potential in his journey toward self-realization and liberation!