Ushiro Keisuke
His father is a throwing player in high school, and his father specializes in the high jump and hurdles, and has also participated in Japan Incare as a relay. Partly due to the influence of his parents, he started track and field. He went on to Kokushikan University after his brother and sister went through Tokyo High School. Also his hobby is folk guitar, and he used to play live on the street in high school.