As soon as you've finished stroking, the bell rings signalling the end of class.
Mistress Amanda continues to touch herself. Her body writhes involuntarily with intense pleasure and she sprawls about the sofa, groaning wildly.
She looks at you. "Oohhh... the door's that way, sweety... Uuhhh..." she says, trying to point.
You gather your things and head to the door. As you leave, you discern a room number amid her groaning and screaming. This must be the venue of your next class.