“Sally! You know that when a young lady turns eighteen, her school uniform has several modifications,” her teacher chided.

“Yes sir… I dressed in my new uniform today, just like I’m supposed to-”

“Now, Sally, you know you’re not supposed to wear panties to school anymore.”

“But-”

“Get your butt out of those panties and bend over your desk. I’ll have to punish you appropriately. I think spending free period as an anal slut for the entire class should remind you to make sure you’re properly dressed from now on.”