Hamaji Youhei a freshman in high school lives his life aimlessly lazing around all day. He cant keep up with his studies is not good at sports and wont stick with anything for long. Besides that hes a pervert whos continuously rejected by girls. All that changes when he joins the water polo clubthough not with very innocent motives. Slowly he learns to love the sport and especially the club captain who has managed to motivate him to break out of of his old habits.