The Villain's RE:Life - Chapter 81: Particle Circulation Skill (3)

Weiss is an ordinary young man caught in the changing times who is studying magic from an unknown natural event. When he feels weak and helpless in facing a world that is constantly changing and filled with magic, he awakens his secret ability, the “Maid Order”. Special abilities that make him a “Master” who will be respected by the “Maids” who are loyal to him.

The aliens came with hostility.
Facing the invasion of aliens, human beings are weak like ants.
So this is the end, the real end.
But there is resistance when there is an invasion.
For some, this is not the end, it is war.
So this is war.
Real war!

- Description from Qidian

Yang Feng somehow transmigrated into a different world and received a legacy of an ‘ancient high tech’ family, which does not directly raise his power, but gives him the technology to build things which are way more advanced than the seemingly medieval world.

It started off peculiarly; first, his domestic cat refused to let him cuddle it.Lin Qiushi soon found that a sense of disharmony and incongruity began to pervade everything around him.Then, one odd day, he pushed open a door, and he discovered that the hallway he was familiar with turned into a boundless corridor.At both ends of this corridor were twelve, identical iron gates.he pushed one of the doorsThus, the story begins.Disclaimer: The content presented here is not authored by me. I kindly request that you extend your support to the original author by visiting jjwxc.net.Original Author Name: Xī Zǐxù / 西子绪