MTL - My Koi Sister is Three and a Half Years Old - Chapter 9 Fuck your original plot

Nagi Travers, a 20-year-old shut-in and former gaming champion, lives a miserable and isolated existence after being tormented by bullies throughout his life. Fired from his last job and grieving the loss of his parents, Nagi now survives by playing video games and barely ventures outside. His world spirals further into despair when he encounters Jake and Mary, his former high school bullies, who humiliate him and steal his money.Broken by the return of his tormentors and the weight of his past, Nagi contemplates suicide as his only escape. Just as he’s about to take his life, a small girl’s ball rolls into the street, with a speeding truck barreling towards her. In a moment of selflessness, Nagi rushes out and saves the girl, sacrificing himself in the process. Fatally injured, he reflects on the idea that it's better to die doing good than bad.Nagi awakens in a surreal, white world, where he is greeted by an angelic figure who offers him two choices: remain in eternal peace, free from suffering, or be reborn in a different world where he could seek redemption and a second chance at life. Nagi faces a life-altering decision—rest forever or attempt to find meaning and fulfillment in another world.

He emerged from Hell Tower, one of Earth's most mysterious four forbidden zones, known as the Infernal Black Emperor who strikes terror into the hearts of his enemies!He is also the master of the Yin Yang Divine Needles, instilling fear into the Western world as the Eastern Divine Physician, with the ability to save lives with his left hand and take them with his right!Upon returning to the city, he marries the beautiful CEO of the Eastern Group, only to face his father-in-law's regret at the doorstep.'I excel at two things, saving lives and taking them; the ones I choose to save, not even the King of Hell dares to claim, and those I choose to kill, not even the Heavens can save!' —— Ye Xuan

Huazhi is a rabbit spirit who has just cultivated into an adult. He was hacked into a post-apocalyptic novel in which the male protagonist is reborn, and became the female supporting role in the book who died early.
System: [Kiss, rush, rush! As long as you save enough energy, you can go back and continue to practice and become a rabbit fairy! 】
The flower branch of dreaming to become a rabbit fairy: (/≧▽≦)/Chongchongchong!
But as soon as he wore the book, the flower branch that had not had time to turn into a human shape was picked up by Jinghuai, and the flower branch who wanted to turn back into a human shape had to stay beside Jinghuai every day, being quilted! he! trample! Smash!
After the rebirth, Jing Huai accidentally picked up a little bunny like a marshmallow, with ruby-like eyes, soft and fluffy bunny ears, and a fluffy round tail adorned behind him.
The scenery is cold and ruthless towards everyone, but she gently brushes her hair every day, feeds her scarce carrots, and gives her the sweetest spring water…
Until one day, Jing Huai put the flower branch on the head of the bed, touched her soft rabbit fur, and was about to fall asleep. Suddenly, the fur on his palm disappeared, and he turned into a girl with soft rabbit ears.
Jing Huai: “…”
Jing Huai rubbed her bunny ears, her face flushed with indifference, “Change back.”
Huazhi retracted his head into the quilt: “No, no.”
Carrots really suck!
Note: Doomsday Cookies

Content tags: sweet text
Search keywords: protagonist: flower branch, scenery Huai ┃ supporting role: ┃ other:

- Description from novelbuddy

The end of the world is coming, the world has undergone great changes, and everything has changed. Plants, animals, and even insects, as long as there are living things, have mutated.
Become more powerful, and even evolved supernatural abilities, such as chickens and ducks that can fly to the sky, such as cats and dogs that can breathe fire.
But only humans, without any obvious changes, seem to have fallen from the top of the food chain to the bottom of the food chain overnight.
Any creature that can open its mouth to eat can treat humans as food.
But fortunately, this world has not completely killed humans. Gradually, humans discovered that they had the ability to cultivate compatibility with other creatures.
As long as it has a high degree of compatibility with some powerful mutant creatures, it can be used for its own use to achieve the purpose of protecting itself.
Fang He is a person who is very compatible with mutant animals, but it is also because of his ability that he has changed from the strongest to the stupidest.
Fang He, who was reborn, said, “Hmph, this time…”

- Description from novelbuddy