In a quest to safeguard its cherished mistress, Lady Succubus, the Skeleton Soldier faces failure when intruders attack, leading to their demise. Reborn two decades in the past under mysterious circumstances, it seizes a chance to rewrite its tragic history. Struggling to acquire new skills, the Skeleton Soldier navigates a strange world and forges new bonds. Its journey for ultimate strength is fueled by a desire to shield its master from impending doom. Amid unraveling sinister plots of various factions, the Skeleton Soldier delves into its own enigmatic origins, inching closer to the truth.