I Am the Mentor of Spider-Man - Chapter 294 - 220: Across the Spider-Verse (44)

Crossing into the world of Naruto, and acquiring the One Piece system, with all the powers of the world of One Piece, swordsmanship, devil fruit, domineering.

-Do you think that your fire is very powerful? I have the burning fruit.

-Do you think that your thunder is very powerful? I have a thundering fruit.

-Do you think that your otter is very powerful? I have the frozen fruit.

-Did you said you want to die? Don’t worry, I also have a nickname: Death Doctor.

- Description from Novelupdates

Rael screwed up badly. One reckless gamble later, and his guild's entire emergency fund was gone. With debt collectors ready to harvest his organs, his only hope was a single, desperate gacha pull.Ding![Congratulations! Player: Quarterpounder69 has obtained the (Divine) Grade item, Eye of the Beast!][Divine Grade item obtained! All Stats +250][First Divine Grade item obtained! All Stats +100][New title unlocked! [Heavenly Attraction] (Divine)]With no other choice, he consumed the item—only to be thrown into a situation no player had ever faced before.[To ensure fairness, please select a random number. This will determine which boss monster variation you become.]'Uh, I don't fucking know? 69... hmm, maybe not...'[Confirmed.]'Wait—'[Congratulations! You've chosen the Special-Type Boss Monster Variation: The Pay-to-Win Boss.][Congratulations! You've become a Boss Monster!]Armed with broken perks like [Premium Leveling], [Premium Evolution], and [Premium Shop], Rael was thrust into the world of the VRMMORPG game he had been playing.The issue was, he went back in time, specifically, 150 days before the launch of version 1.0.

A boy from 21st century Earth, met an accident and later was reborn in Naruto’s Ninja World.
He is born in Uchiha Family and becomes the useless brother of Itachi Uchiha and Sasuke Uchiha…. Let’s see how he changed the Naruto world.

- Description from Novelupdates

A cold and homophobic top matched with a person he hated on a dating app, and discovered that the other was even more clingy than he thought!