Viper GTS / Viper GTS

Succubus sisters fulfill any desires of people in exchange for their souls. Among them, the most successful is Carrera-chan - her collection of souls does not give peace to the unsuccessful Mercedes. However, Carrera also has failures when she responds to the call of a puny bespectacled man named Ogawa. Upon seeing the sexy body of his companion, he immediately changed his initial desire and decided to give his soul if she satisfies his desire...