Well, if you answered any of those with yes, this Novel is definitely not for you!
Let me summarize the last ~130 chapters for you:
Rinse and repeat for over 130 chapters.
You'd think people would've already adapted to the OPness of the MC, but even his side-chicks get surprised EVERY fricking time whenever he pulls some Deus-Ex-Machina moves.
If you value your reading time - don't even start with this.
This story COULD get interesting once the MC reaches adulthood and gets older so he gets pretty much the same "Body-Capacity" as his pre-reincarnation self, but with the pace of this story, that could easily take 600~700 more chapters.
Nope, gunna use the time to read better novels :)
He 'discovers' that monsters out of the dungeons drop other stuff as in the dungeons.
After getting a handgun dropped (red flag #1) he contemplates that he needs to refill his ammunition anytime soon.
In the next chapter he 'discovers' that any monster that he kills outsite of the dungeons drop him bullets (red flag #2). Problem solved, right? But why did the other monster drop a handgun, opposed to dropping bullets?
Well thats easy, because the Protagonist needed it ;)