After losing her parents at a young age, kyouka was raised by her kind but silent uncle who runs a ryokan. She helped out at the inn, and they lived a modest life like real parent and child. One day, out of curiosity, kyouka entered a warehouse she had never been to before. Inside, she found countless shocking SM goods. As kyouka stood there in disbelief, her uncle approached from behind. "Have you noticed?" he said, beginning to tie her up...