The obscene big-assed instructor, Yuika Onozaka, passionately seduces her submissive male students! "Yes! Push your ass in harder, like the teacher did!" She shows off her sexy ass and captivates the students with her flexible poses! She seduces new members by taking them by the hand and hip during a balance ball lesson, seducing them with her sweaty, tight gym clothes that are even sexier than being naked! Finally, the students can't resist her big ass...