Naruto System in One Piece - Chapter 509

I found myself possessing the body of a young master who everyone was eager to kill. I’m invincible, so let them try to kill me. It’s only for one second, though.

“Love Tripped Into My Room: I Just Wanted Peace, Not Panties”Kaito Tenma just wanted a normal life. Wake up, eat toast, avoid drama, and maybe—just maybe—confess to his beautiful, blunt childhood friend, Riko.But fate sucker-punches that dream into space when a half-naked girl crashes through his ceiling and declares his room as her new home. Now he’s living with Yuna, a mysterious (and dangerously clingy) bombshell who thinks clothing is optional and personal space is a myth.From lewd accidents to jealousy-fueled misunderstandings, Kaito’s life spirals into a wild, hilarious mess of high school chaos, horny misunderstandings, and girls who seem way too interested in ruining his peace.He didn’t ask for a harem. He didn’t ask for trouble. But trouble keeps tripping into his life—one girl at a time.

99 is one, and nine refinements are returned to Xian.

A young town boy, stepping on Xiuxian Road, is not a family, no gold fingers, with his own determination and wisdom, the nine major cultivation system, the nine realms step by step to the peak, and finally ninety-nine one, the achievement of true immortal.

- Description from Uukanshu translation