A Reincarnated Mage's Tower Dungeon Management - Volume 7, Chapter 4 – Princess Adelle Again!

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

The universe gave me another chance after life screwed me over. My second life brought me to a world where people breath fire, walk on water and some people with special eyes that give them bullsh#t powers. Well, I got the gamer ability. And I’m gonna use it to stand at the peak. But it's gonna be a long journey before I reach that summit. SI - MC.

“Where the f*ck am I?”

One day, he suddenly fell into a world of barbarism and superstition.

“F*ck, I ain’t a savage!”

After a night of indulgence, An Ge became pregnant with the powerful and influential Mr. Huo's child.During the pregnancy, the powerful man frequently drew her blood.In order to save her life and protect the child in her womb, she shocked everyone by saying, “Mr. Huo, I'm carrying your child!”The man sneered, “Are you trying to blackmail me or do you wish to die? If so, I'll grant your wish!”Disheartened, she faked her death and fled with the child.Later, that man, who was always cold and harsh to her, knelt before her grave for three days and nights.Later still, word somehow got out that she faked her death, and he became enraged, locking down the globe in a frenzy to find her.Finally, one day, he cornered her at a wedding, furiously roaring, “You can't marry him, I'm the real father of the child!”An Ge squinted and smiled slightly, “Sorry, who are you?”In the time that followed, he humbled himself into the dust, every night kneeling in front of her bed, begging, “Miss An, please marry me.”