Nagumo Hajime was an ordinary student without ambition nor aspiration in life, and was even called ‘Incompetent’ by his classmates. One day his entire class was summoned to another world, to become heroes and save the country from destruction. The students were all blessed with cheat-like powers and job classes; however, Hajime was given the profession of ‘Synergist’, a role usually taken by artisans. Combined with his low stats, he is left behind by his classsmates while exploring a dungeon. What will he find in the depths of the abyss, and will he survive?