![large.jpg](https://media.kitsu.app/anime/poster_images/4355/large.jpg)
Position: Second baseman A member of the prefab team of the Seishū baseball club, two years ahead of K�. 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)