Sandra was preparing to take and exam with her teacher. Sandra has always been an obedient straight A student and quite the shy girl in school. As their review session was about to end, another girl came to the room who was also seeking help for the exam. Their teacher thought it would be a great idea for the girls to study together. At first the girls were busy with school work but soon the teacher got the two young ladies to undress and taught them how to suck and lick while she watched and masturbated.