Toaru Majutsu no Index: New Testament - Volume 10, Chapter 9: V.S. “The One who Bears White and Black Wings and Opposes the World” Round_01.

The person that Pei Zhen hates most in his life is the perfect Fu Sichen. Alas, life is full of surprises and unpredictability. One fine day, an accident turns Pei Zhen into Fu Sichen’s pet cat! As Fu Sichen’s pet cat, he makes a shocking discovery about his sworn enemy – a deep dark secret that the perfect Fu Sichen has kept hidden for years. Trapped in his cat body, Pei Zhen moves from one adventure into another while trying hard to find a way of turning back into his human self. When he finally does, the world as he once knew, has become a completely different place!

The scum’s or villain’s long road of transformation was tentatively set to the world:
The abandonment of the educated youth’s wife (Completed)
The hidden marriage of the scum film emperor (Completed)
The best brother in the world (Completed)
The Phoenix male who destroy the bridge after crossing the river (Completed)
The treasonous general (Completed)
I’m an honest man (Completed)
To become the top scorer in the School of Agriculture (Completed)
The soft rice man’s self-cultivation (Completed)
The whole world is reborn (Completed)
I want to survive on a desert island (Completed)
The stallion male who has seized the opportunity (Completed)
The perverted self-salvation (Completed)
The spring of the loafer (Completed)
The misplaced life (Completed)
The miser career (Completed)
The ghost is out of feeling (Completed)
The Queen’s favorite husband (Completed)
The vicious girl with her godfather (Completed)
I want to be a good person (Completed)
I does not tear up the family (Completed)
The perverted common plant (Completed)
The Mary Sue’s men (Completed)
Every time I was reborn, someone wants to kill me (Completed)
The old people’s counterattack path (Completed)
The global evolution (Completed)
When I became a net red (Completed)
For you, good person (Completed)
His heart had white moonlight (Completed)

- Description from Novelupdates

Transmigrated as a beautiful CEO, everything is within reach of her hands.Wealth, Power, and Influence. And she also possesses the system.Starting point high with all the helps from the universe, what could go wrong?What?! She is in a world similar to the combination of novels.What! The most hated sadomasochistic-SM-CEO and his wife, novel theme, and her half-sister was a heroine. Side characters never ever had a good time as the world revolves around them. Our CEO knows this and her worries increase.What?! Another novel theme shows up in this world and it's a stallion one.Messed up and you still tell me...Heaven! That's not all, she is supposed to be a member of the harem of the male protagonist.****! our CEO shoves a middle finger at the world and strangles the system.What in the world have you brought me here for?Companions, enemies, connections, and successes are all meant for her to walk through.Each step, every struggle will be her monument.Rising to the top of the pyramid, overlooking from above, everything within her grasp.Prove to the world, a woman can hold up half the sky.First, Let me find a way to divorce this engagement with Lin Fan.