MTL - Billion Technology Crystal System - Chapter 1 : Sweeping Action!

Upon transmigrating, she immediately faces a disastrous flood, and then has to deal with a marriage swap to an old man who is both slovenly and hunchbacked?Someone: My wife, truly majestic and dominant!PS: This story includes a space with a bit of fantasy, and there's only the heroine who is reborn through transmigration.

One day, when a novelist woke up from a restless sleep,he realized that he had transformed into his 12-year-old self.

What would happen if you found yourself in One Piece as a Side character ?What would you do if your cheats were not actual cheats, instead you got scientific knowledge. Would you accept your life as a side character? Would you stay low key and mind your own business? Or would you throw yourself into the plot and change it to your benefit? This is a story about a man that had those options.Blerd finds himself in one of his favourite animes , One Piece. If you seen an add offering transmigration services to other worlds don't click it! At best it's spam at worst it's real. Some things are better as a work of fiction. Why? Smart Isekai is an ad that has you choose an anime world and challenge it with No golden fingers no quick power ups. You have to use you brain to think of creative ways you can challenge the world with no cheats but as a Native. I chose to challenge the world of One Piece. Now I am really in One Piece how the heck am I gonna survive ?

One day, when I came to my senses, I found myself reincarnated in another world.After enduring a rough life post-reincarnation, I thought I could finally settle down, quietly tending to a flower garden in the mountains……But something feels off.”