Yura, a female student living happily with her boyfriend. However, on the day she was first invited to his place, she was met with his betrayal and suddenly raped by an unknown man who had secretly arrived. Without understanding why, she is imprisoned, her throat filled with semen, her days utterly destroyed. Her cherished virginity taken in an instant, unable to resist any longer. She becomes nothing more than a doll forced to accept sperm, her innocent mind gradually broken.