My Mother-in-Law is Reborn [Seventies] - Chapter 69

The Mafia Empire tells the story of Julian Kesma, the third son of a poor farmer’s family in a decaying empire. After gaining memories from his past life as a shrewd businessman from Earth, Julian sets out on a dangerous journey to climb from the bottom of society to its very top. Battling poverty and social discrimination, he forms a gang from his fellow oppressed Guarths and dives into the criminal underworld, quickly becoming entangled in deadly political conspiracies.Through cunning, ruthless tactics, and a cold, calculating nature, Julian transforms from a struggling nobody into a fearsome mafia lord. As he gains influence in both the underworld and legitimate businesses, he manipulates his way into the political arena, aiming to dominate every aspect of society. His ambition extends far beyond crime, as he strives to reshape the empire itself.

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

Our protagonist, Xu Yi, is born with a silver spoon in his mouth, able to live a happy and worriless life. However, he wasn’t able to enjoy this life for long, as the revenge of his family’s enemies quickly caught up to him.The enemies are much more powerful than Xu Yi; therefore, he has no choice but to be obedient. However, forbearance is not always a good policy. The enemies take advantage of his passiveness and bully him even more. These little sparks of anger have finally become an uncontrollable fury for Xu Yi, compelling him to seek revenge.

Synopsis ___________________ Viretta Medlit is a hopeless braggart. One day, she casually boasts to a young man she meets about her unfortunate arranged marriage, only to discover that he is her fiancé. To make matters worse, her exaggerated claims stir something within him. “Are you prepared to face any hardship?” “Of course. If it's for the one I love, I’d even hunt a dragon!” “Then let’s go hunt a dragon. And break off the engagement afterward.” Thus begins Viretta's journey to hunt a dragon… All in the name of breaking off her engagement with a fiancé she actually finds quite agreeable!