[Perverted Girl, Masochistic Plea] Ai is a girl living an ordinary student life. After school, she would steal away from prying eyes to indulge in masturbation within the school grounds, spending her days filled with that thrill and pleasure. However, one day, she was seen in such a shameless state by a male student... "After-School Training Club." Lured by those attractive words, Ai found herself wanting to join the club of her own accord...
