The Martial Arts Expert Starts as a Complete Weakling

You may not believe it when I say (water) comes out (vegetables) (Li), but masculinity is an illusory god.

Your protagonist still needs to have an IQ (IQ is a key test), and your main plot is also a bit unclear. If I hadn't read the beginning, I would have thought that this was a passerby's point of view, or even multiple protagonists. Don't pretend to be a pig for too long and you will really become a pig.

You probably still have some martial arts training, right?

Wishing for millions of years of starlight

You can't be such a salty fish. The protagonist is not even a passerby. Hey.