It Seems That I've Slipped Into a Different World. Also, My Gender Has Changed. - Chapter 29: Gradually, My Health Recovers

In one moment, he was walking down the street with his little sister—In the next, he had traveled to the world of One Piece, carrying a system that could extract, record, and fuse genes to cultivate powerful lifeforms.Thus began a leisurely and carefree life in the most chaotic world imaginable.When bored, he’d snatch a bit of heavenly tribute meant for the Celestial Dragons.When curious, he’d raise a few cute kittens and bunnies just for fun.When restless, he’d wander through the territories of the most fearsome powers in the New World.Life is beautiful—so why bother taking anything seriously?

In her past life, Meng Yu couldn't understand why her mother would give the university admission she worked so hard to earn to her younger sister and even sell her off to a remote village as a common wife, just to raise travel funds for her sister.Reborn, Jiang Meng Yu has just escaped from human traffickers, only to be caught by a 'buyer husband'. The fiancé her mother had originally set up for her, whose identity was usurped by her sister, comes to her rescue. She says, 'You saved me, I have nothing to give you as repayment but myself.' Yet when her mother comes, she coolly claps her hands and walks away with her.Captain Gu traps Meng Yu against the wall: 'Flirt with me and then want to run? No way!'Meng Yu resists: 'That was just a temporary measure for revenge.'Captain Gu leans in: 'We've planned everything, let's go with it. I'll help you take your revenge, and you just need to repay the favor.'A slightly silly Meng Yu asks: 'What favor is that?'Captain Gu smirks: 'The life-saving favor that should be repaid with oneself.'Meng Yu: 'Is this fox really the officer I knew in my past life?'

What would happen when someone from our world was suddenly reborn into the world of My Hero Academia with a Gacha System that rewards him with abilities, techniques, and skills from Jujutsu Kaisen? Grand epic fights and crazy shenanigans as he goes through the story to cause chaos and change the world to his liking.

Forge unparalleled mechs with the ambition of old age, and use the galaxy as a knife to smash the edge of the empire.

His name is Ji Xinghe. When he was 65 years old, he went to Alien Battlefield to avenge his son.

The old man is standing on the ground, his ambition is a thousand miles away, the old man wears armor, and fights to the galaxy, the old man drags his sword, it is not for glory.

- Description from novelbuddy