One Piece : Brotherhood - Chapter 15

500 years ago, Chen Xi was devoured by a crack in the void and was transported into a cultivation world.

500 years later, he returned back to Earth after enduring through several hardships and discovered that only 5 years had gone by.

…

In the courtyard, beauty at the side, a candle flame wavering.

A gush of clear wind, half a full moon, the peach tree remains unchanging.

…

Wait, whose kid is this?! Why is she calling me papa? Gazing at the little girl in front of him with skin as pale as jade, Chen Xi froze.

…

　
Returning home from cultivation, starting as a stay-at-home dad.

In this life, not fighting to be a king nor claiming to be a tyrant, only praying to peacefully be a wife-pampering mad devil and a child-protecting daddy!

- Description from Novelupdates

The once revered Alchemy Emperor returns to his fifteenth year. In this lifetime, he not only seeks to rectify all past regrets but also aims to achieve the pinnacle of martial arts!Compared to cultivation techniques? My lackeys have divine-level technique in hands.Compared to elixirs? My top-tier elixirs are fit only for feeding dogs.Talents? Any genius who encounters me will find their fate crushed!Prosper under my lead, oppose me and meet your demise!

On the surface, she’s a gay high school boy. In reality, she’s the hacker known as Z, who hunts criminals on the Internet. A girl dressed in men’s clothes; a master at playing games, punishing evil, and having the highest skill in seducing girls. When people learned that “he” was actually female, the entire population blew up!

The most cherished Little Princess of the Dragon Clan has fallen on hard times, living in an era of scarce provisions. Thankfully, she had a grandmother who doted on her as much as life itself.She drank brown sugar water every day and ate chicken eggs for every meal, making her plump and fair-skinned; she also donned new clothes for every season. All the young women and newlywed brides from miles around were envious of her naturally good fortune.However, the Little Princess had her woes: she was a dragon, and she craved meat, meat, meat!!Watch as she flexed her Dragon's Prestige —With just a glimpse at the trees, wild chickens would stiffly drop to the ground.If she stood next to the river, the fish inside would voluntarily leap onto the shore.Merely standing still, wild rabbits would run into her thigh...And as the Dragon Clan were fiercely protective of their food, she would fight anyone who dared to snatch her eats.Her fierce reputation extended far and wide, causing children in her group to take detours around her.Many people sneered: “With such a greedy, delicate and fierce character, she will definitely remain unmarried!”A certain Great Demon King who followed her said, “Marry me and become my wife. My home has endless supplies of canned beef, beef jerky, Dabai rabbit milk candy, imported chocolates, and various kinds of meat...”