The supporting character's harem is very normal - Chapter 491: Alliance?

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?

She gave up her wealth and power to save her husband and his company when they were on the brink of extinction.However he repaid her by bringing home his childhood sweetheart and divorcing her! He insulted her, called her names, a cheap lowly bitch and a gold-digger. Her sister in law treated her like trash, her mother in law called her a scheming fox who wanted to climb the social ladder.Fine! Divorce so it is then!Left without a single penny, she applied for a job and became a waitress. Who would know she bumped into her ex husband and his new fiancée there?!But there was another man whose business contract she accidentally discarded.That mysterious man came to her with a condition.“You made me lost a very important business contract, now you must pay,”“How much? I don't have money. I'm not for sale either,” the girl raised her chin arrogantly.“Become my fake girlfriend. I need a woman to please my grandfather,” Shentu Jing said. His charming dark eyes seemed to be tempting her, luring her into an abyss.But when she arrived in front of his grandfather, he announced her as his fiancée!“I thought you said I was your girlfriend!” Qin Zhuzhu glared daggers at him.“Sorry, now you are my wife,” the man's peach blossom eyes gazed at her lovingly.Who is this mysterious husband of hers?One day her phone rang with a notification of the latest financial news. There, she saw a man similar to her husband. Her husband is the richest Tycoon in the capital???!!!

With the Legendary Mechanic System, I transmigrated to Marvel Universe to be Dr. Zola’s assistant.

With Mechanical Force Analysis, I can learn every black technology.

Winter Soldier’s arm? I built a better one for you.

Iron Man’s armor? I already made it a decade earlier.

Doc Ock’s tentacles? I am the one who provided core technology.

Hulk’s mutation? Sorry, I was there and got hit by the radiation too.

As for a certain purple potato, can he collect all Infinity Stones?

……

However, I only had one simple ultimate dream. That is to go home…

- Description from Novelupdates

You know the drill, a medical student was watching the finale episode of Pokemon. “Man can't believe it's finally over. Looking at his clock, Shoot I'm going to be late.” But our protagonist met our old friend Truck-kun due to a change in destiny. “At least things aren't so bad I get to start my Journey, wait why am I Ash, Why is almost everything and everyone different, and why is this world so much harder than the original?!”Additional Tags: Maybe-Harem, Not stupid MC, multiple plot lines, Random decisions from dice rollsNo dead pokemon parts to increase strengthNo potential stuffOnly training methods and bond________________________So hey, this is my first fanfic, Please don't murder me, secondly, this is an AU with anime, games, and manga elements, with a bit of the novel. Earlier chapters are ruff, but I think the later ones get better.Also if you have a complaint, Idea, criticism, or whatever, fell free to say it I love reading feedback from you all