Summer Training Camp: Yuka Chiba, A Member Of The Girls' Volleyball Team, Is Ordered By Her Coach To Undergo Special Training While Completely Naked. As She Assumes Her Receiving Stance, Her Huge Butt Juts Out—and He Thrusts Deep Inside Her, Making Her Butt Cheeks Jiggle And Bounce As She Climaxes In Ecstasy During This Piston-style "coaching."