The moment she woke up, she found herself in a pitch-black sealed room with no light. Schoolgirl Mihina was suddenly abducted on her way home and imprisoned. The men threaten her, saying, "Don't you dare come, understand? You know what'll happen if you do," while forcing pleasure upon her. Subjected to various forms of edging, she is pushed into an especially erotic and extreme "orgasm hell." What new developments await Mihina beyond this torment?