Garbage Brave: Isekai Ni Shoukan Sare Suterareta Yuusha No Fukushuu Monogatari (LN)

Tsukuru, attending school as usual, is suddenly summoned to a different world with his classmates. However, what awaits them after being summoned is a hero auction in which each country bids for heroes to defeat the demon king.
While his classmates who got cheat jobs sold for sky-high prices, Tsukuru, with the obvious loser jobs of “Chef” wasn’t sold at all, and was thrown out of a transfer gate to a magic forest in the middle of nowhere, inhabited by many powerful monsters.
Tsukuru, narrowly avoiding death many times at the hands of monsters, is thrust onto the path of the strongest!