One Piece - I Am A Different Luffy! - Chapter 53 - 52 - Mysterious Island 6.

Lin Feng tried to be the diligent and hard-working good guy. He studied hard, did his best to make his family proud and not get into trouble, but when he saw a girl being taken advantage of, he had to intervene. He had been tricked, sentenced to 10 years in jail and framed for a crime he never committed, all was lost. If his life was over he would take those who ruined his life with him

Suddenly he opens his eyes again. He is not dead, but alive in the body of the Lin Feng of a different world. This Lin Feng had been killed as trash of cultivation. This world where the strong had no regard for human life and would kill freely if they had the strength. Called “trash” and thrown away, with vengeance in his heart he will rise to new heights opposing the will of heaven and earth.

“Do not judge others in ignorance within my presence.

Those who think to harm someone should be ready to be harmed.

Those who are open and respectful shall receive my kindness and respect.

Those who plot against me are seeking their own death.

This is true, for I am death… I am Lin Feng”

- Description from novelupdates

He was very happy to be reborn, but why was he sixteen again, he can’t bear to look back at that time.

Why does he return to being sixteen years old, yet still meet Doomsday?

It’s alright to encounter the end of the world, so why did he have to fall in love with someone?

Even if he falls in love with another person, why did it have to be a man?

Falling in love with a man is also alright, so why did it need to be a secret one-sided love?

Even a secret and unrequited love is alright, so why is that man his….

- Description from Novelupdates

“….Krische-sama, are you not afraid of killing people?”

“……? No. After all, it doesn’t hurt Krische.”

Although gifted with the talent to do anything with ease, the girl lacked empathy.

In her world, there is only loss and profit. No goodwill, no love.

Inhumanly recognizing cold, mathematical logic as everything, she looks at everything in the world through calculating lens.

Return given profit with profit, loss with loss.

The girl was undoubtedly pure, yet undeniably abnormal—

Her favorite things are cooking, food, and being pampered.

Her specialty is mu*der.

—- This is the story of a slightly unhinged girl being surrounded by kind and loving people, and her journey to find happiness.