Kotone is being taught by a good-looking young waiter at a coffee shop in a rural town. It has become her daily routine to visit the shop after school. One day, the young man notices that the cafe owner has a hobby of ropes and invites her, asking, "Wouldn't you like to try tying up Kotone?" The young man puts Kotone to sleep with a sleeping pill, takes his money and says, "The rest is as you like," before leaving. Kotone is then taken to the storehouse. When she wakes up, the waiter is excited and clutching a rope...