Nanomancer Rising: Divine Alchemist Reborn as Academy's Worst Teacher - Chapter 7:

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

Once she transmigrated over, Li Haitang, an elite female doctor from the big city, is demoted to a pitiful little cabbage whose parents have both died. She is surrounded by extreme jackals, wolves, tigers and panthers family and relatives. What? She is sold to a half-dead body that is going to be buried in the ground. Has she been sold to an old man with a heavy taste? The only way to escape from the arranged marriage is to pack a bundle wrapped in a cloth! Who would have thought that on the way to the wedding, she meets a wild man who is feared by everyone in the village? The wild man has three treasures, he is hardworking, spoils his wife and has good stamina! His pectoral muscles, abs and mermaid’s line are all there.

- Description from Novelupdates

I had finally done it—achieved the ultimate Paladin build. Maxed stats, impenetrable armor, and so many resistances that death itself had given up on me. I was an unkillable tank, an indomitable force. Nothing could stop me.And then my PC exploded.I died.Irony, thou art a cruel mistress.But instead of the afterlife, I woke up as my Paladin character… in the wrong freaking genre. Instead of castles and dungeons, there were people flying around on swords, shooting qi beams like fantasy laser guns.“This is definitely the wrong genre,” I muttered, watching a pompous young master sneer at me.“Kowtow, kiss my foot, and beg for forgiveness!” he declared.I looked at my imaginary maxed-out health bar, then at his flimsy silk robes.Oh, this was going to be fun.

An immortal cultivator is murdered by her master and finds herself reborn in the strange world of One Piece. She hardens her resolve to once more tread the path of cultivation, only to find it won't be as easy as she thought.