元英雄パーティの荷物持ちおっさん、転生して現世ダンジョンを無双する ～二回目の人生は『荷物持ち』を極めて学園ランキングを駆け上がる～ (Associated Names)

The dream of a dungeon explorer is to bring back all the found treasures. A little while ago, dungeons suddenly appeared all over Japan. Simultaneously, humans awakened to their individual ‘classes,’ and ‘explorers’ who ventured into dungeons teeming with monsters to harvest treasures became a profession. “Dungeon exploration” was added to the curriculum of students,…