The male protagonist died tragically while taking the blame for his superiors in his previous life, and was reborn back to the point where he signed the fatal document. Relying on his photographic memory, he transformed into a "rules assassin" and took advantage of the most stringent compliance systems and legal loopholes within the organization. Not only did he perfectly avoid the trap of taking the blame, but he also reversed the situation and fought back in the desperate situation of joint approval.
