I Want to Fuck My Best Friend

These girls have lived next to each other for at least a year, but never knew about it. Or did they? At least one does. There's always the one that watches as she leaves, watches as she practices tennis, or comes back from the club, and those desires grow. The befriend them, and eventually, they realize "I want to fuck my best friend". Wow. There are good friends, and then there are best fucking friends.