성별 : 정보신청
생일 : 정보신청
키/몸무게 : 정보신청

Position: Second baseman 



A member of the prefab team of the Seishū baseball club, two years ahead of Kō. Like Makihara, Sekiguchi didn't get along with Nakanishi in junior high. He retires after the first practice game against the first-string team. 



(Source: Wikipedia)