On her way home from school with her boyfriend, Aoi is lured into a newly opened shop without hesitation. The store turns out to be a torture museum, displaying numerous torture devices. Inside, rows of restraints and training equipment captivate her curiosity little by little. Prompted by her boyfriend, she begins to desire experiencing them herself. Later, Aoi returns to the shop alone and is captured by men who bind her with various devices and subject her to intense training. The unknown sensations she willingly sought send electric currents throughout her body, delivering indescribable pleasure. This unprecedented experience profoundly shakes both her mind and body.