Naruto System in One Piece - Chapter 275

After transmigration, Lin Yue could hear a voice whispering in his ear every day, sharing all sorts of secrets with him.Small matters like the thoughts of the girl next door, to great mysteries like the secrets of the heavens, the voice persisted daily, broadcasting randomly.He originally wanted to live an unremarkable life, but in this world of Xianxia dynasties where mortals are considered as insignificant as weeds, the fate of an ordinary man without power is no longer in his own hands.Thus, he had no choice but to stop being 'just a person'.'Your Majesty the Empress, you wouldn't want your secret of treason to be revealed by others, right?'

A teenager finds himself in the Marvel World with the Dragon Balls, and has to find a way to survive!

Shenron: “Say your wish! Any wish can be granted, but you only get one…”

Teenager: “Any wish could be granted?”

Shenron: “Of course!”

“Great!”

Teenager: “Shenron, please get me out of the Marvel World; return me to my original world!”

Shenron: “I’m sorry, I can’t do that…”

“….”

Teenager: “What? What were you bragging about then, saying you can grant any wish?”

Shenron: “Your body is from this world, therefore….”

“….”

Teenager: “Okay, then give me the power of a Super Saiyan! I want be able to beat Thor and Hulk, surpass Captain America and Iron Man!”

Shenron: “I’m sorry, I can’t do that…”

Teenager: “Worthless dragon! What can you do?”

Shenron: “I can…”

- Description from Novelupdates

His will is tough and he is unwilling to be normal. However, his pathway was destined to be that way, being born in a small sect’s branch.

However, one day, his left eye merges with the eye of an Ancient God in an accident. From that moment on, he turns from a fish into a dragon.

He rises up like a star, walking the path of a legendary cultivator.

From being a tiny, small ant at the bottom of the world, he rises step by step, into a place full of powerful sects, strong ancient clans and countless geniuses.

This is an era of legends.

- Description from novelupdates

Kaito Nakamura, a shy university nerd, thought he’d found love when the stunning Aiko chose him as her boyfriend. Their sweet, fluffy romance fills his lonely world with hope—until he discovers she’s cheating on him with multiple guys, reveling in the taboo thrill of betraying someone so innocent. Heartbroken and humiliated as explicit photos of her circulate online, Kaito’s tears are interrupted by a mysterious popup: the “Revenge NTR System Beta.” Promising retribution but with a chilling condition — he can’t break up with her.Contains Ntr, read at your own risk