ダンジョンでぼっち飯してたら最強のSSSランク冒険者になってた。 (Associated Names)

In the dungeon, sharing a meal with monsters?! The monsters he befriended turned out to provide him with incredibly rare ingredients. Eating them caused his stats to skyrocket! Takashi, a poor boy who survived by scavenging and died from it, had a skill granted by a god in his reincarnation into another world: “Immunity to…