The former female mafia is busy with assassinations even in another world...! ? Moreover, I am in trouble because I am doted on by two knight commanders! ! Roselle, the daughter of the Count Schelling family, remembers from her previous life that she was a member of the mafia. She is a member of the Schelling family, which pretends to be a "merchant family" on the outside. She is actually part of a family of state-sanctioned assassins, and Roselle is also She spends her days completing assassination requests. Roselle wants to live a safe and slow life, but her sense of responsibility and Due to her caring nature, she ends up getting dragged into trouble between countries...! What's more, she gradually falls in love with the knight commanders Alfredo and Klaus, who came to help with her request...! ? Will peaceful days come for the reincarnated female mafia?