Sold to My Killer Husband: His Concubine's Dilemma - Chapter 5: I have Found a Girl.

A man is reborn into the world of Avatar: The Last Air Bender as a waterbender from Katara's tribe. Best of all, he was the same age as her, and he had a system with him to help.He knows the future and a system that lets him continuously get stronger by completing quests or long-term missions, as well as giving him the ability to copy abilities from others for himself. He will become invincible in the world of Avatar, even more so than the Avatar himself.

She is someone with the nickname “Seatmate Killer”, and also one of the prettiest girl in the school. Every male student that became her seatmate has confessed to her, and all of them got rejected brutally. The one who became her new seatmate, the seat beings located the furthest away from the front and beside one of the windows, thus being a godly seat that will make every male student jealous, is Narito Yuki. He is someone that generally you won’t notice at all. The entire class thought that he will fall for her in a short time, but that may not be the case…..

The dark BOSS, who had the privilege of being the last living person on the planet, and the second-oldest brother on the planet was born again.

What should he do after he was born again? Was it to rule or destroy the world?

BOSS said that he was not interested in these, he just wanted to die. In order to let the boss who was bent on ending his own life live, he was omnipotent, and he will be comfortable with the boss, and then helplessly find out…

BOSS was more and more wrong with the style of painting!

- Description from Novelupdates

Ye Xuan transmigrated back to when he was an infant cuddling in the embraces of his nine older sisters. He activated the God-tier Sign-in System.

[You are hugged by your eldest sister, who is the COO of a financial conglomerate. You signed in and obtained RMB100000000.]

[You are fed medicine by your second sister, who is crowned the God Hand. You signed in and acquired god-tier acupuncture skills.]

[You trained along with your third sister, who is a Martial Arts Grandmaster. You signed in and your overall physique improved.]

[You live-streamed with your fourth sister, who is the top news anchor in the country. You signed in and acquired extraordinary good looks.]

……

Ye Xuan could sign in daily!

After staying in the city and signing in for eight years, Ye Xuan had accumulated an astronomical amount of wealth and become a billionaire.

On his eighth birthday, his nine sisters were forced by the grand elder of their clan to get married. Just when everyone had lost hope of turning things around, Ye Xuan hopped down from his eldest sister’s embrace and said, “You’re marrying my sisters off against their wills. Have you consulted me about this?”