Yura is a female student who was living happily with her boyfriend. However, when she was invited to her boyfriend's house for the first time, what awaited her was his betrayal and a sudden rape by a man she didn't know! She was confined without knowing why, and her days of having semen poured into the back of her throat began... Her precious chastity was suddenly destroyed in a sudden turn of events! The moment she realized she couldn't resist, she became a doll that only accepted sperm...