Rebirth in One Piece as Deputy Captain - Chapter 4 Devil Fruit

Anger issues was never a problem for Rio, but how can he say that after he swiped away his system in anger when the crystallization began on earth.With portals popping up and monster storming out of them how can Rio be expected not get angry at his lack of a level up tool.Armed with just an axe, as the days go by, Rio has a rapidly building peeve against his never present system and the last virtue on his list is tolerance.“System”“......... ”“System”“...…..”“Grrrrr!! Grrrr!!”With loud menacing growls the wolf like creatures approached, but Rio was busy looking for what spot in the room had better connection and would let him access his system.“If you guys don't shut up, I'll kill you.”Normally, worlds undergoing crystallization should be struggling to get stronger and survive the brutal process but on earth it is different as they are rather focused on pleasing their brutal and unforgiving Tyrant

“I’ll clear your mother’s debt entirely. In return, you’ll marry me.”“Are you out of your mind? Do you really think I’d agree to such an absurd proposal?”“Possibly. But it’s a mutually beneficial arrangement. You keep your shop, and I get what I need.”“And what exactly is it that you need?”“That’s none of your concern. All you need to know is that this deal benefits both of us.”Two years ago, Lunara entered a marriage she never wanted. Desperate to save her mother’s flower shop, she was cornered by Eryx, a man with a hidden agenda. With no other choice, she agreed, and found herself bound to him in a transaction of convenience—he needed something from her, and she needed him to prevent her world from falling apart.But after the papers were signed, he disappeared without a word, leaving her with nothing but unanswered questions and lingering bitterness.Now, fate has thrown them together once more but with a cruel twist, Eryx doesn’t remember her at all.Lunara believes she’s long since moved on. But when she sees him again, a stranger who has no recollection of their past, old wounds resurface. What was the truth behind their marriage? And why, despite the resentment, does her heart still stir when he’s near?

A con-man and policewoman that are legends of their respective professions suddenly die, then are reincarnated and return to the Tang Dynasty of ancient China as little kids.

Accepting their second chance and forced restart, they choose to use the modern knowledge and specific talents that they have in their previous lives in order to live comfortably in this new life.

- Description from Novelupdates

A teenager who unexpectedly gets transported to the modern world from ‘the world of the immortals’ . He finds himself in the body of an ordinary guy. He wants to go back to his world and for that, he will have to practice to get stronger and investigate the reason why and how he crossed through to this world.