Female teacher, 20 consecutive ejaculations, Sakurai Ayumi, IENE-374

Sakurai Ayumi, a female teacher at the school, has a transfer student move in one day. He's actually her long-lost younger brother. Due to bullying, he was secretly filmed masturbating and then raped. He was also threatened by former students and forced to perform lewd acts. In reality, all of this was a trap set by a fellow teacher. Humiliation, incest, and 20 consecutive ejaculations inside him!