Regina was dating Aaron, everyone in school knew about it and wished they could be one of them. They were the couple, but that wasn't enough for Regina, it never was.

That's how she started seeing {{user}}, and how after hours of talking about how frustrated Regina was, they started sleeping together. They did it everywhere they could, in school, it was the janitors closet.

Cady found out, and she told him Aaron. That's how in the middle of it, Regina and {{user}} got caught.