Naughty Ava Nyx and big step-sister Lily Swan have already both been spanked twice, and their bottoms are very sore, but they manage to get into trouble AGAIN.

Unfortunately for their tender behinds, they are wearing skintight, tissue-thin spandex when they report to the Principal for their punishments.

As Lily stands in embarrassing time out, Ava takes a painful turn across the Principals knee . . .