Hunted, enslaved, and killed—such is the terrible fate that befalls the members of the Black Cats tribe. Twelve-year-old Fran, a girl of the persecuted race, craves revenge for the atrocities committed against her people. She dreams of a brighter future, one for which she will not hesitate to get her hands dirty. An encounter with a talking sword, a reincarnated man looking for a beautiful wielder, turns out to be the deciding moment that will change her fate...