Secretly filming and blackmailing a classmate's lover

The story is about young lovers who have foolish actions when having sex indiscreetly where they might be discovered, and it was a classmate who discovered it. He saw the love scene so he filmed it. all again. The next day, when he met his classmate again, he showed her the recorded video, forcing her to have sex with him or else she would post it all online, a truly despicable act, young men should never That's it, just watch it for fun :D.