【あらすじ】Hiyoshima Miyu is a plain and shy girl with big breasts who serves as the library committee member. She was assigned to be the "Convenience Girl on Duty." The "Convenience Girl on Duty" is an absurd rule where female students take turns handling the sexual needs of hot-blooded male students. She, who has never even seen a penis before, gradually becomes addicted to pleasure through her erotic experiences... Haruka Hazuki makes her debut in this collaborative work and faithfully recreates the popular CG collection!
