The Cyborg System - Chapter 24: Sentry Duty

Hao Ren, an ordinary university student, saved a little girl who fell from the sky. By accident, he swallowed a “candy” that fell off of that girl’s body and somehow became the Dragon King’s son-in-law……

It begins on the mountain.

With the glint of a knife, a flash of steel in the hands of a sworn brother. A betrayal.

Stabbed and pushed down the mountain, Zi Chen lied within the red-stained snow, left to die.

This is where it begins; he is given life by lightning,
baptized by thunder.

Those who had once betrayed him should all suffer in his cruel revenge.

- Description from Novelupdates

He was reborn in the world of Naruto as a member of the Uchiha clan, known as Uchiha Genya. Born with the rare dual-pupil Sharingan, many saw him as a monster. Luckily, his father, Uchiha Kinya, was wealthy and influential, and he managed to protect Genya along with his mother Senju Yumi.Genya hoped for a peaceful life, but everything changed when he turned seven. The night of the Uchiha clan's massacre began.“You want to wipe out the clan and kill my father? Then don't blame me for fighting back”Uchiha Itachi: “Can your cursed eyes really break through my genjutsu?”“Dual-pupil Sharingan with six tomoe? How terrifying will you be when you awaken your full Sharingan? How many powers will you possess?””What terrifying strength... One punch can shatter the Susanoo!“That fateful night, Itachi slaughtered the Uchiha clan and defected from Konoha, but Genya managed to protect those loyal to him.Uchiha Obito: ”Genya can actually disrupt my Kamui?“Madara: ”A dance, you say? Ahem... Genya doesn't need to join!“Ten-Tails: ”This guy has more chakra than me!“