MTL - Little Madman’s Guide to Acting Good - Chapter 87

Long Fei, a cross-timer and doujin, is an otaku who traveled to another world. In the original world, he was an otaku fan of Gundam and military science fiction.

He died in an accident and was reincarnated into another world. The Gundam works he had read before his death and the techniques in various military novels could be brought to another world.

How would he use the Gundam that Long Fei created? What waves can be caused in this different world?

CEO Leng Li: The sky has finally cooled down. It’s time for that person who bullied my sister to go bankrupt.

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Jie Ao –xianzun (officer of Emperor Jie): The emperor is not allowing me to marry my junior sister? Good! Then, both of us are going to elope.

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Overbearing Regent: This is my little princess! What do you mean by thousand pounds of gold and precious nobles? All of you kneel down to her!

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Tong Su only wanted to complete her task of eradicating the scum male in order to get a chance to exact her own vengeance. However, this big BOSS, why do your eyes show such emotion towards me?

Important note: Sweet pet, oppressive slag, fake brother and sister, not blood related!

- Description from Novelupdates

As a promise, he went out into the world as an assassin. 3 years later, after becoming the Supreme Assassin, he gave up on everything he had and returned to the ranks of ordinary people. But one day, Kismet, a mystical game created by the National Research and Development had appeared.

Enigmatic hands, spectral frame, and one cunning strike just like the swing of the Grim Reaper. The Supreme Assassin takes on the mystical world, and how his legendary tales sets off, progressively ascending the altar to becoming the best.

- Description from Novelupdates

Noah Carter wasn't special. A broke programmer working from his cluttered studio apartment, he spent his days applying for jobs, getting rejected, and scraping by with low-paying freelance gigs.One ordinary Tuesday, while debugging code at 3 AM surrounded by energy drink cans and ramen cups, Noah accidentally broke reality.He didn't mean to... it just sort of... happened.A system message appeared, floating in his vision. The Idle Tycoon System had chosen him. His first shop: a small bakery in a Magical Medieval world where demons, dragons and half-humans exist.Every sale generated automatic income, day after day. Every new world unlocked new opportunities.Noah brought it all back to Earth, selling what he could, keeping what he couldn't. One shop became two. Two became a hundred. A network spanning dimensions, time periods, and realities—all generating income while he slept.Countless years later, Noah raised his head from his pillow and realized something unexpected. The broke programmer who couldn't land an interview had become the richest man in the universe!