After passing away due to overwork at a corrupt corporation, Ryouta Satou finds himself reincarnated into a parallel world. However, his new existence comes with an inconvenient limitation: his level is perpetually fixed at 1.
Despite this setback, Ryouta discovers a unique skill that allows him to craft extraordinary items, akin to cheats, using materials from defeated monsters. Capitalizing on this ability, he maximizes his statistics with the aid of ability-enhancing items. Through his resourcefulness, he acquires an arsenal of weapons and gear exclusively tailored to his usage, granting him unrivaled power and superiority despite his humble level.