Sister looks at his brother's member to prepare for the exam

Two young friends wanted to become future doctors and sitting on the bed, they think how they would prepare for an entrance exam. They put on medical dresses, rubber gloves and in the role of a patient, invited his fellow brother. Having promised the guy that everything will be a beam, the sister asks his brother to show a member for practice. After that the girls, kneeling, look at the hanging member and the sister begins to lubricate the barrel with a disinfectant. From this procedure, dick quickly swollen and acquired stresses. From the erogenous organ, an inexperienced girlfriend quickly washed off, and her sister in the name of science decided to continue the experiment she had begun. She lowered her pink panties, and standing on the bed with a crustacean, invites her brother to put her bolt in her hot pussy.