Magic System in a Parallel World - Chapter 31: Law of the Jungle

To [Player]: This is the mystery of life and the journey of all things.

You will be stronger, become superheroes, and even touch the power of gods. But if it fails, it is death.

Because you have embarked on the evolutionary game of the highest sequence!

“Isn’t this just embarrassing Darwin?” Li Changhe murmured as he looked at the [player] who came from a distance: “It also embarrassed Newton by the way.”

Don’t spray if you don’t like hot blood

- Description from novelbuddy

Xia Yuqing is a shut-in+fujoshi from the 21st century. After an accident, she transmigrates into the body of a young princess forced into a political marriage to another country.

“W-where is all this blood coming from? Is this– Is this nose blood? AH, YOUR HIGHNESS! A-are you alright? What? No! You mustn’t! Princess Xia, please, come back!”

“… I… need… to… see…”

The aide could only helplessly look on as Princess Xia Yuqing crawled towards the emperor’s quarters, leaving a trail of blood in her wake.

Fujoshi: a term for a woman who enjoys reading about relationships between men.

- Description from Novelupdates

He swore that if he was given a second chance to live, he would live his life to the fullest.His life was full of misery but he was reincarnated in the body of the son of the strongest expert in the empire.He had the looks, wealth, and women. He was known as the “Handsome Playboy” and he didn't want to become a righteous protagonist.He awakened a system that can make him strong by making others feel the 7 sins towards him.He will collect many beauties and live to the peak of life.

“Was trying to forget my past and live a peaceful life… a mistake?”His twentieth birthday was supposed to be a celebration, not his final moments—bleeding out on a bed, betrayed, and left to die.'Taking the life of a ‘good’ person makes you a murderer, but taking the life of a ‘bad’ one makes you a savior… Why?'As death embraced him, he whispered his final words—“The world’s kindness, right till the end..”…Only to wake up in an unfamiliar body.“Wait… I’m Noir Ravenlock?”A doomed heir, born to rule the world yet bound to a fate engraved with blood.In a world where morality shapes strength, survival demands more than just power—it demands understanding.And Noir, a man or perhaps a demon who once saw the world through twisted eyes, may just see something no one else can.