Gym monitor abuses one of the girls' dicks

This gym monitor has a very special treatment for the girls who stand out in their classes. It's something everyone likes because Uncle has a huge dick. What he does is put them into practice and when they are doing their sexiest positions he puts himself on his back and starts to take them in his hand. Then he forces them to suck his cock and when the other students leave the gym, he fucks them. This busty girl surprises her at first, but as soon as she makes herself available to her, she explodes her in a brutal way that will surely make her return to the gym tomorrow.