Having spent decades avoiding a life of Ruin as a Villainess―――Bella Di Notte had completely become an Old Lady. Taking in Maria, a girl who was being oppressed in the city, as her "Grandchild," she dotes on Maria with the overwhelming Financial Power and Military Force that comes with being an Old Lady. "I won't forgive any cruelty towards my grandchild." Any villains who get in the way are turned to charcoal with her favorite Gun! This Old Lady is terrifyingly beautiful. A gunpowder-scented Family History of the strongest Beautiful Old Lady × a brave Little Girl!