A third year in Seidou High School and he was the regular center fielder. Jun was known as the most high-spirited and loudest person in the baseball team but he also is the team mood maker. Every time he roared or yelled in the middle of match, it sometimes boost the team morale. Beside being the best at defense, Jun was also one of Seidou's best hitter.

Jun, with Masuko, was the Seidou baseball team vice captains.