Level F, I Want to Counterattack

The earth has undergone tremendous changes, monsters have begun to appear, original weapons are no longer effective, and magic has become a new power. The days of peace came to an end and people went into the dungeons. Hunting monsters has become people's duty. With only the lowest level of ability, I was looked down upon by others and lived a life of survival every day. But suddenly one day, I got a piece of paper by chance, and my life changed 180 degrees. The story of the weakest me surpassing the strongest and saving two worlds. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.