Arifureta Shokugyou de Sekai Saikyou (WN) - Chapter 497

Xiao in his first life didn’t have the talent to reach the top and during his life he was killed by one of the heavenly Opposers, then he was born again in the second world where he again faced problems, after surviving and dying in the second world he was again brought back to as a child in his first life, this time Xiao swore to lay low, he would use his future knowledge to get cosy with the characters that would become strong in the future, he would lay low and try to become an immortal while fulfilling his desires but how did things get so bad??

Reincarnated Empress: Xiao's the only man in my life, he's the one who caused my ambition to bring down the heavenly court to dust!!

The Forsaken Heavenly Beast: Brother Xiao's the one who saved my life and gave me meaning, he's the one who gave me the courage to go against the heavenly court!!!

Succesor Of The Medicine King: Brother Xiao's my role model, he's a true man!!, he's the only one worthy to rule the heavens, he's our heavely opposer's leader, the opposing Emperor!!

The True Mc: Me and Xiao might not be related by blood but I am more than willing to lay my life down for him!!, he's the reason that the group heavenly opposer's even exist and we will bring down those stuck up rulers of the heaven!!

Xiao: “......”

This is a story of a transmigrator leading a small martial sect to rise. It is a fantasy tale set in a world of ordinary people cultivating and vying for supremacy, without the assistance of any system.

One day, Luo Jian woke up from his sleep and found himself in a locked chamber where the door and window were all sealed. A note with a few lines written on it was tacked to the wall: “Escape from this room within an hour, otherwise, you will die.”

There is a sequel called Reincarnation Night (轮回之夜) that takes place in the same universe but has different main characters

- Description from Novelupdates

Freshman student Yang Dingtian possesses the Nine Yang Body, found only 1 in million. His Yang Fire is incomparably vigorous and thus, he cannot be near a female’s charms for his entire life. On the night of his 19th birthday, he decided to bid farewell to his virgin life. After stealing and tasting the forbidden fruit, he spontaneously combusted as the result!

In death he crossed over to another world; a world that held respect for Martial Power. His, originally, catastrophic Nine Yang Body was the Nine Yang Body that couldn’t be seen in a millennium! He was saved by a mysterious old man when he was at his last moments and the old man received him for a disciple, then betrothed his daughter to him. Thus, in this odd way, Yang Dingtian became the successor of the largest clan under Heaven, and became the number-one-beauty-under-heaven’s fiance.

- Description from Novelupdates