Campfire Cooking in Another World with My Absurd Skill: Volume 1 oleh Ren Eguchi

Mukouda Tsuyoshi was nothing special in modern Japan, so when he was summoned to a world of swordplay and sorcery, he thought he was ready for the adventure of a lifetime. Too bad the kingdom that summoned him only got him by mistake! Not only was he not one of the three summoned heroes, but his stats were laughable compared to theirs. On top of that, there's something really sketchy about this kingdom... "Ah, these people are the kind to try and use the Hero," he realized, and immediately left to make his own way in this other world.