A group of female university students on a swimming team, seriously training for the Intercollegiate Swimming Championships, are suddenly presented with a special "concentration-boosting training"! "Apparently, the latest sports science has proven that stimulating your nipples while taking deep breaths dramatically increases your mental strength... would you like to try it?" Initially, these refined, athletic women respond seriously to the interview. However, they reveal their toned bodies, honed by their competitive swimwear...