The Fallen Hero Reincarnates as the Demon King's Son - Chapter 12 - 11 - Highest Floor

The young lord of a small and weak country saves a dragon beside the sea one day.

Lin Xiao Ci transmigrated! Her identity is a female villain in a novel in the ancient times. In order to get close to the male lead, her character has walked the path of seeking death. She decided to stay away from the male lead and his family, cherishing her life. Speedily, she prepared divorce papers and delivered to the male lead who had been set up by the original villain to marry her. “Husband, I would like to turn over a new leaf. In the past I have used you and I have wronged you. Now, I will return you your freedom.” The man snatched and tore the divorce papers into pieces, and fiercely said “Dream on!”

- Description from Novelupdates

A man who had emerged from the world’s most secure prison—God of Death Island, known as a super-powered being called the God of Death, had grown tired of the bloody storms abroad and now, like a hidden dragon, he had returned! But due to an accident, he became the contract husband of a beautiful CEO! From then on, he ruled the city, crushed the petty and wicked, and embarked on the tyrannical journey of an urban legend!

He had been reincarnated, he thought that he didn't cheat until suddenly he noticed someone invite him on a group chat.[Do you wish to join Dimensional Chat Group?]MC: "Accept!"---------------------------------------------Cover not mine, it's from anime Yosuga no Sora---------------------------------------------https://www.patreon.com/akikan40Maybe I'll be full of energy to write your favorite fanfic.