After being asked by a man to cooperate with a survey and drinking the water he gave her, 'Misaki' gradually lost consciousness. When she came to, she found herself blindfolded and restrained at both hands and feet. The man did as he pleased with her body, and she desperately tried to resist, but the large amount of pleasure-inducing substance in the water she had drunk earlier was due to a special drug that made her body betray her mind. As time passed, along with the effects of the drug, desires hidden deep within her began to surface...
