Yin-Yang Harmony System - Chapter 301

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

Thanks to the Goddess, he was reincarnated into nobility!　That should have been great―― but the skill he got, 【Toxin Decomposition EX】 was simply too plain, and he was made fun of everyday at home……

He is the second master of the Mo family, as rich as a nation, treacherous, cold-blooded, cruel, and ruthless.She is a poor girl kicked out by her vampire parents.By a twist of fate, he hides his identity to have a flash marriage with her.She is an excellent wife.Yet, in his eyes, she is a money-grubbing woman that he despises, being sarcastic and ironic towards her.Tang Zhiluo couldn't take it anymore, “Divorce! We must divorce!”The man sneered, “Don't regret it!”During the cooling-off period for divorce, one handsome and wealthy man appeared around her after another.Suddenly, the second master Mo, like a madman, pinned her against the wall and kissed her, “This marriage cannot end! Definitely cannot end!”Their married life turned increasingly sweet.Later, after the birth of a baby, the high and mighty second master Mo transformed into an ultra-dedicated dad, either coaxing the baby and wife or on his way to coax them.Tang Zhiluo, in accordance with the agreement, gave birth and left.Second master Mo, eyes reddened, begged her, “Luoluo, I was wrong, please don't leave!”Later on, Master Mo exhausted every means, humble as dirt, just to make her look back again.

After 20 years of dedicating his life to opera ever since he had quit the performing arts high school, he had failed at an interview. Losing his motivations, Jo Yunjae depended on alcohol to live out his days until one day, he had been sent back 20 years in time, to the day before his high school admission.