A training camp is being held for the track and field club with the aim of strengthening their lower bodies. The coach gives passionate one-on-one instruction to the female team members! During the customary air chair training, the female team members desperately endure with their thighs shaking! If they can no longer endure and fall, they will be penetrated immediately... However, as their muscles reach their limits, the innocent female team members fall one after another, becoming prey for the coaches' dicks. In order to further strengthen their lower bodies, the coaches repeatedly thrust...