A New Snake In The Shinobi World - Chapter 350:

Betrayed by her entire family, Tang Yue, the seventh princess of the snake clan, was betrothed to the tyrannical Elven prince, who is known for his blood lust and cold-blooded murders.He is even rumored to have killed several concubines mercilessly.Deemed as a piece of useless baggage and now tossed aside as a political chip, Tang Yue braved herself for the new torturous life that awaited her.As if this was not enough, someone mysteriously poisoned her in the betrothal ceremony.But akin to a slap in the face, that poison actually turned around Tang Yue’s pathetic life!!Poisonous fruits? Sure give me some. I need to snack anyways.Deadly toxin? Sure. My throat is a bit parched.Heh. Now you want to actually cut me down? Sure. You just have to slash past this thick skin!The lowly beast that had invoked its innate ability to evolve silently resolved to conquer the heavens. And of course, she had a master... ahem... system to help her along the way!

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

*Celeb: short for celebrity.A dull body, a timid and kind personality.The fat princess who was ostracized, Rubetria Diollus.“Oh my, the princess is at the dessert shop every time I see her. She eats so many sweets, enough to make one’s cheeks burst, no wonder she gets fat.”Princess Lillia, the ‘swan princess’ of the family, was always surrounded by friends, and Rubetria, the ‘ugly duckling’ who was bullied by them, was a loner.“Hey, you idiot. Our princess is angry. Eat it, quickly.”“Puhaha…!”“Oh my god! She really ate that!”Rubetria was tired of the bullying.Then one day, she said,‘I want to live a wonderful life like that woman for just one day.’180 degrees change.