[Perverted girl's masochist appeal] Rina, a girl who lives an ordinary student life.After school, she steals her eyes and indulges in masturbation in the school, and spends her days filled with the thrill and her pleasure.However, one day, someone saw her shameless appearance... "After school training club".Fascinated by her charming words, Rina wants to join her club.She is bondage, whipping, deep throating, blindfolding, shame play... She raises her joyful voice to the stimulus of her training that she was looking for.