MTL - Supreme Soaring Immortal - Chapter 899 transaction

Rimu Dynasty, Kingdom of chaos. Demons were rampant, and it was difficult for people to live.

Gu Qing’an had not yet had the opportunity to appreciate his beauty upon transmigrating in this world, as he had to face the demon who targeted and devoured humans.

Fortunately, she had a system.

“I, Gu Qingan, have never been weaker than others. System, add it to me.”

……

Many years later, Gu Qing’an, standing on the frozen void, looked at the newly discovered strange world under her feet without any expression.

“Compared to human beings, alien existence is a demon,” she thought to herself.

“Then, are all creatures in this entire world considered demons?”

- Description from Novelupdates

When Zhou Shu woke up, he learned that he had become a Forging Apprentice at a workshop in the Forging Division of the Great Xia empire.

Crossing into the world of Naruto, and acquiring the One Piece system, with all the powers of the world of One Piece, swordsmanship, devil fruit, domineering.

-Do you think that your fire is very powerful? I have the burning fruit.

-Do you think that your thunder is very powerful? I have a thundering fruit.

-Do you think that your otter is very powerful? I have the frozen fruit.

-Did you said you want to die? Don’t worry, I also have a nickname: Death Doctor.

- Description from Novelupdates

When not so normal man transmigrates into a novel that he didn't even remember its title, as a short-lived extra with immense potential, talent and perfect looks.If he has gotten only good stuff, he would die from joy, but nothing comes without a price. He lost most of his emotions, desires and sensation of pain.He thought it was a blessing and dreamed of just ignoring the bleak, apocalyptic future and doing what he wants without feeling an ounce of guilt. But after a few days, he understood that he would go mad because of the boredom that for some reason didn't reduce like his other emotions.Therefore he began to think about what to do about his problem.“Kill everyone to prevent apocalypse!” Though this is a good idea, why would i kill everyone because of the apocalypse? Although killing everyone would prevent the apocalypse, how the hell i will endure the boredom when all of my entertainers are killed?“Seduce and manipulate important people with his handsome looks and use them for his benefits.” Well, i can do this but it isn't enough.“Pamper his prodigy sister to make her dependent on him in the future to use her overpowered magic to find a solution to his curse.” Hmm, that's good, but this too isn't enough.Let's combine these last two.An apathetic brother who searches for a way to lift his curse while doing strange things to endure his boredom and a yandere sister who is trying to hold herself back from killing the woman/man who was seduced by her overly handsome/beautiful brother.