Gimai Seikatsu - Days With My Step Sister - Chapter 42 - 6

Here hundreds of countries compete for supremacy, here hundreds of schools of thought flourish, he brings the strongest family head system, establishes the most powerful family, and steps onto the highest stage step by step!

A girl who calls herself a demon appeared before a timid student named Fumio Kijima. The girl claims to be a campaign girl from the demon world and she gives him the ability to “summon a room” from nothing but thin air.

At first he doesn’t abuse his power and uses it as a convenient ability in his every day life. But one day he is bullied by his classmates under a false pretext and is made to suffer. In the past he would have wallowed in misery and cried himself to sleep, but now he had a power to call upon.

“I will make them regret it!”

Using his powers to summon his “room”, he begins his era of confinement and brainwashing to achieve his goals.

Coming to the multi-dimensional Marvel world, shuttles countless movies, anime, and television planes, based on Marvel arms giant Ambrella.

Predatory Terminator, Mechanical Octopus, Mechanical Enemy, Galaxy Fleet, Pacific Rim, Transformers’ high-tech technology to build a mechanical empire, devour and merge, Superbody, New Iron Warrior, Endless, Super Out of Control, Underworld, Naruto The power, genes and technology of tomorrow’s fringe …. established a steel empire belonging to the gods of science and technology, becoming the strongest arms dealer in Marvel history.

PS: In the real world, Marvel movies are the main line, with comics as the auxiliary. The protagonist takes science and technology as the main body and magic as the auxiliary.

- Description from Uukanshu

When an era came to an end, various forces set foot in cultivation to compete for immortality. A young boy who spent most of the time sleeping got lucky in the troubled times and became an unparalleled immortal who could cover the sky with a snap of fingers. Was he going to live forever?

- Description from Novelupdates