Punishment is over. Arethusa’s Master had plans to take advantage of her nicely warmed ass, but he got a work call and had to go and sit at his computer, doing stuff he’d rather not be doing just then. 

But at last he returns. He trod softly, because he thought Arethusa might be asleep. But she’s not.

She’s quietly pleasuring herself, without waiting for Master. He watches her ass rise and fall, because that’s always worth watching. And, still quietly, he picks up the paddle…