MTL - My Amazing WeChat is Connected to the Three Realms - Chapter 6 I accidentally became a king of songs.

When he did not know her true identity, he treated her very badly, he disliked her too much, she was not elegant enough, she was in the way...Only later did he realize that the woman was his legal wife! He repented, tried to recover her feelings, but she was determined to divorce him.

Her – a glutton without troubles or worries who crossed over and became a young fat chick with a deep vengefulness.

Jiang Bai woke up one day and found with shock that he had transmigrated to a parallel world that is similar to Earth. There, he was granted a cheat system to help him forge the path of a tyrant in this new world. He was now stuck in this parallel world body, the body of a weak and cowardly person. Join Jiang Bai as he rose to the top in this new world!

- Description from Novelupdates

In a world of shallow-minded, materialistic mortals, what would one from humble beginnings – whose face had been stomped on, spat on, oppressed for the longest while by the arrogant, pampered upper echelons of society – do, when a mysterious application pops up on a brand new phone that was meant to be the birthday gift of an ungrateful girlfriend? What if the application takes the form of a chatroom where its occupants, bearing the names of mythical, fictional beings, start giving out ‘Red Packets’, all the while spouting nonsense?