I Became a Middleman in the Apocalypse

It is obvious that just killing monsters will make you stronger and safer by upgrading and strengthening, but you have to stick to the third-level BOOS and pretend to be a bunch of nonsense. The sniper is done by a novice instead of a skilled person, especially when the bullet resources are very scarce. Don't tell me what to do with instant noodles in exchange. If you let the novices use up all the bullets in that situation, everyone will die together. Although it is a novel, it should be a little more logical.

After reading a few chapters, it felt awkward and unintelligible. Forcibly lower the IQ of a supporting character? Please note: the system you get is only to assist the protagonist himself, not to degrade the entire world.