At a Russian girls' academy, female students awakening to their sexuality become obsessed with an unusual pleasure—not mounting horses at the riding club, but straddling cock-sized horse-like dicks. Beautiful and daring Russian beauties torment their bodies in various ways, engaging in threesomes, foursomes, lesbian play, and double penetration. Contrary to their pure school lives, the students' bodies gradually transform, evolving into new beings, leading to a shocking revelation.