While walking home from school with her boyfriend, Aoi reluctantly followed him to a newly opened store. It was a torture museum displaying various instruments of torture. As she looked at the restraint devices, Aoi's desire to experience them herself grew stronger... Days later, Aoi visited the store alone. There, she was restrained and trained by men using various devices. In the unknown world she had chosen for herself, Aoi felt electricity coursing through her body and experienced indescribable pleasure.
