Tatsuya and Kazuya, the twin brothers of the Uesugi family. He went on to Meisei Gakuen High School with his childhood friend Minami Asakura, but the three had a delicate love triangle. Kazuya and Minami avoided joining the baseball club, which is treated like an official couple, but on the day of the baseball club's district qualifying final, Kazuya Ace did not appear.