Plain and quiet, inexperienced female teacher Shiramine. But she has an unexpected secret that she can't tell anyone. That is, after school, she masturbates in the empty teachers' room and uploads her lewd behavior to an underground site... However, seeking further stimulation, Shiramine attempted contact with a male known for training videos on the dark web. And on the day of their meeting, it was one of his own troublesome students who showed up...
