After succumbing to overwork in a harsh corporate environment, Satou Ryouta finds himself reborn in a different realm. Despite being stuck at level 1 in this new world, he possesses a rare ability to craft extraordinary items from defeated monsters. Through strategic use of enhancement items, Ryouta maximizes his unique skill and amasses a powerful arsenal exclusively tailored to his capabilities. Thus, he navigates this world armed with unparalleled gear, defying traditional leveling systems.