my new life in a God class dungeon

I'm a f class I'm called the world's worst hunter so I can't go to d class dungeon this is how the world works there is 10 types of dungeons f e d c b a s ss sss and god but there has only bin one god rank and the word almost ended but the s and ss rank was able to stop it yo ky what we need help something is down here ok got it there is so many rocks look its there I got it there so much gold and and jewelry and a rank item this looks like trash yo ky u can have this and he tossed a my terrible looking ring u can have that as payment what this trash u should be grateful I gave a f rank like u something what ever I'm leaving I went back home why me whe do I have to be a f rank I got a dum ring as I lift the ring why do I have to be a f rank i wish I could be stronger I went to bed as I wake up I see a damaged city and get up then a beam shot through me and I was killed I wake up and I got up I thought how m I alive I get killed again and again and again as I run I was killed 12 already I hide behind a crushed wall