As a result of her solitary research, the android ``Aria'' is about to be completed, with just the right amount of elasticity, silky skin, warmth that makes it feel as if her blood is flowing through it, and a supple body... Everything about it was perfect. For that purpose, Mithrandia develops aphrodisiacs and sex toys for Rare and Linear, which were completed first, and conducts harsh and lewd experiments on them...