Omnipotent Husband System - Chapter 331: Gifts.

I became the Heavenly Demon’s dog.

Zhang Siyi, a graduate student of architecture department went back from overseas seeking for work, he had a heated fight with his ex-girlfriend in a cafe. Angered, his ex-girlfriend was about to splash a cup of coffee in his direction but he managed to dodge it. As he stepped back, the misfortune was met by the handsome guy next table instead.

The following next day, as Zhang Siyi headed for a company interview, he discovered that the interviewer was the same man who suffered the splashing of coffee.

Hopeless, Zhang Siyi thought this work was unalterably unattainable, but that handsome man unexpectedly “disregarded past grudges” and decided to hire him. Even more, the man had become his immediate superior.

To accept Zhang Siyi by the said man, he was moved to tears with such magnanimity and kind-heartedness. Never had he realized it yet that his “miserable” fortune has just begun…

- Description from Novelupdates

The Earth mutated and an entire city disappeared from its original world! Su Yi arrived in the Different World strangely with the whole city, where demons ran amok, dynasty hegemony. There was no peace of modern civilization, only the law of jungle! Fortunately, his phone also changed... Gods, demons, monsters, Buddhas, fairies, etc., were all pulled into his mobile phone for his use! I am the king of demons, and I am the Lord of gods!

One day, Luo Jian woke up from his sleep and found himself in a locked chamber where the door and window were all sealed. A note with a few lines written on it was tacked to the wall: “Escape from this room within an hour, otherwise, you will die.”

There is a sequel called Reincarnation Night (轮回之夜) that takes place in the same universe but has different main characters

- Description from Novelupdates