Sister is in charge

Finally Vanessa let Lauren up. She rose, rubbing her butt and whining. Tears on her face, she looked down on her butt. It was lined with red impacts and hand prints. Her ass was plainly spanked! She whimpered, dancing in place from the pain.

"Well Vanessa," Her mother said, watching the punishment in satisfaction. "It seems you have Lauren well in line. I have some calls to make, will you watch her? Make sure she doesn't get in more trouble?"

"Of course! No problem!" Vanessa agreed readily, while Lauren struggled to stammer out an objection.

Their mother left. Laure was now directly under the supervision of her sister, while she stood... butt naked!

"Oh, little Lauren." Vanessa smiled in a sinster way at the squirming Lauren. "What to do with you?"