MTL - Rebirth Space Pretty Girl - Chapter 3015 found it

{Author Of Old-World Extra}There was nothing special about my life... except for how I died.I went out in the dumbest, most ridiculous way possible; even a dog’s death would’ve made for a better sight.But hey, that wasn’t even the weird part. Not by a long shot.For whatever reason, my soul had gotten ripped out and shoved into the body of some “Villain” in a faraway land.Yep, you heard that right. A clichéd “Villain.” And I’ve got ten days before he’s publicly executed.This guy—well, I—used to be a Beggar.One that grew into a Seeker, then a Magi, then a Professor, and then...A Sultan.The one ruler of the entire world.Now? I’m stuck facing the people I used to love, ready to pay for all the “evil” I’ve done.Fate seemed hellbent on ending me, no matter where I went, but just as I was about to give up...A Script appeared before my mind’s eye.{Would you like to witness your real history, your Path?}{Would you like to make it past your Promised Day?}{Would you like to become a True King?}{If so, repeat after me…}It gave me one word—ancient, powerful, and clear.“BASSORĀH!”Many paths came together.—This is a story about suffering. Anger. And Forgiveness.Extra Tags: Drama, Reaction, Misunderstanding, Transmigration. Time Travel.

The big guy dresses up as a lonely and old male supporting character, slaps his face and abuses scumbags to fall in love.
small world:
A scumbag male supporting actor who is lonely and old: learning to love with both hands.
The tyrant male supporting role who left the inheritance to the heroine’s son: the family has the throne to inherit.
The deposed prince: what kind of emperor, when the emperor!
Bingshan ex-husband of a book girl: It is impossible to chase after a wife.
The prince of the enemy country who retreated for the heroine: step on the capital and rule the world.
The pet girl mad demon of the group pet text: I pet myself.
Edible Guide: Quickly cross the routine, capitalize the romance! One cp in one world, if you change the world, your feelings will be eliminated. If you don’t like it, don’t enter. 

Content tags: face slap
Search keywords: Protagonist: Dongchen ┃ Supporting role: My concluding article “The Male Protagonist Doesn’t Follow the Plot [Quick Pass]” “Someone Wants to Take My Gold Finger [Quick Pass]” ┃Others:

- Description from novelbuddy

Shen Yinning was originally the Crown Prince Lu Ying's childhood sweetheart and fiancée, but due to her father and brother's rebellion, she was exiled to Gan State and married to a minor local official as the daughter of a criminal. Meanwhile, Lu Ying gloriously married her cousin Shen Yunxi as his Crown Princess Consort.Three years later, Shen Yinning returned to the Capital with her husband. Everyone praised the Crown Prince and Princess for their mutual respect and harmony, and Shen Yunxi often flaunted in front of her how loving she and the Crown Prince were. However, only Shen Yinning knew that the seemingly restrained and honorable Lu Ying came to her chamber every night, completely disregarding the fact that she was now someone else's wife, secretly claiming her and keeping her as his Forbidden Fruit...

This is a story that follows the courtship between a stone from Hell and a god from Heaven that begins in the underworld and spans for three lifetimes in the mortal realm.