The man, trembling with anticipation, is made to watch his mistress pleasure herself. She spreads her legs wide, her wetness glistening, "You want this, don't you?" she purrs. He nods, his cock straining against the chastity device. She leans back, rubbing her clit, moaning. Suddenly, she stops, "Clean me," she commands. He obeys, his tongue lapping at her juices. She pushes his head down, grinding against him. When she cums, she holds his head in place, "Swallow every drop," she demands. He does, his own need growing unbearable. She smiles cruelly, "Not today, slave."