Workout-spanking, part 1/2

The cute blonde says she is about to get chubby. I shall train her. So I give her a plan and let her exercise. She remained lazy and we set up a contract, giving me the permission to spank her bare ass, in order to get her in line. So I will let her undress and exercise before me while I give her good slappings to punish her for good. She needs to pull herself together not to shout unbridled.