Dark Lord: Rise to Power - Chapter 25: Cave of Echo- ’One Stone, Two Birds’

After Reincarnating into Naruto World at the Warring State Era as an Uzumaki, Masahiko thought that he got a useless System. He lived for 48 years as a normal, below average Uzumaki Shinobi.

That changed when he finally knew how the system works the day of his 49th Birthday!

- Description from Novelupdates

After an unexpected romantic encounter with the newly appointed beautiful county magistrate, Xu Qianli, who originally faced setbacks in both career and love, begins to turn his fate around.He rises steadily, gaining success in politics.“Power, wealth, and beauty are all within my grasp!”

The girl submerged in the bottom of the lake suddenly opens her eyes. The noble ChuChao Gongzhu [Princess] becomes an abandoned daughter and woman. No problem. This type of slag father is not worth mentioning. By virtue of her exquisite medical skills, she becomes famous in the world. Slag father wants to reunite? Close the door, let out the dogs! Shizi [Heir of a noble title] wants to ask for marriage? Let him wait in line! The Regent has a chronic illness? Perfect. Godly doctor becomes a poison doctor. Let him neither live nor die and taste the pain of his evil deeds. She exacts bloody vengeance. Appointed Wuguo Gongzhu, she returns to her noble life. Slag father regrets, sister envies, stepmother hates!

That year, she made a run for it while pregnant. He was a powerful figure in the Malacca Strait, commanding respect in both legal and illegal circles. He allowed no one to cross him. So, at the engagement party when she was 25, a stranger in black claimed that the bride had taken his virginity and insisted that she take responsibility and return his... child.“Do you also want to marry me?” she asked him. Although the wording was wrong, they were both getting married, so he agreed to “marry” her. Having a child and taking the wife's surname seemed like no big deal to the big boss. Surprisingly, he decided to retire and become a stay-at-home dad, shocking his brothers!