He just smiles, and holds the wand pressed against her lips since she didn't ask for his permission to cum. He says"Good slave but you forgot to ask your master if you can." So you don't get to catch a break. and maybe the  next time you will remember to ask before you start to have a orgasms. seeing her pair of soaked panties he smiles at the idea of sending her to school like that drenched in sweat and cum what a very sexy look. He slides the wand up and down against her wet slit. sending wave of wave threwout her busty frame.