I Became Invincible the Moment I Woke Up

It's very well written, I hope it won't be discontinued.

The applicability of liquefied metal is really too good in modern society

As long as you don't hide your identity, you can continue to scan some cats and dogs who don't even know who you are and come looking for trouble.

If you see me pretending to be cool, you can do whatever you want.

You should have the ability to make metal. Otherwise, where does the metal come from? Even if his body can be liquefied, what about the emitted metal? It is used for metal explosions. He uses his own body to liquefy and ejects metal. Then the body is missing something, and the steel giant's body can become larger when it liquefies. Is it empty inside and just an outer layer?

You can refer to the various forms of killing the original protagonist!

Dude, where does the kinetic energy of the gun come from? One is out of gunpowder and the other is out of electricity. Don't tell me it's a spring???