She is Kyouko Sakurami's roommate. Kochou is a sprinter and specializes in the 100 meter dash. However, she loses her stamina at the second half of the 100 meters and begin to slow down, thus making her not good enough to even be the reserve of the 400 meter relay. But due to her unbelievably fast sprint at the first half of the 100 meters, she almost always makes it to first base safe.