Virgo Note, the most powerful magical swordswoman of the empire and known as the “Sword Demon,” is struck by a succubus’s curse: the “The Breeding Demon’s Seal,” which forces her to require enormous amounts of semen in order to keep living. On the advice of her friend, the great sorceress Elysia Heart, Virgo makes a drastic decision: she abandons her life as a warrior and becomes a porn actress. The feared and tough Virgo exposes her voluptuous body in front of the cameras, begins to be lusted after by multitudes of men, and little by little starts to accept and enjoy her new role as a “female.” Now, in the adult film industry, she must collect the immense amount of semen needed to break the curse… while discovering a completely new side of herself.