|School||Salt Middle School|
|Club||Body Improvement Club|
|Voice Actor||Bill Rogers|
|Manga Debut||Chapter 4|
|Anime Debut||Episode 2|
Unlike most of the Body Improvement club who are very tall, he's half the size of them, making him the second shortest member of the club. Despite his short size compared to the other members, he still very muscular. He has flat, gray hair.
Jun has an interest in animals, which caused him to desire to become a veterinarian.
Like the rest of the club, he attacked black plum middle school and is easily defeated by Teruki.
Powers & Abilities
Like most of the Body Improvement club he has significantly above average strength.
Despite the fact The Body Improvement club almost flunked the school, Jun is actually highly intelligent, as he was able to score 100, 100, 99, 98, 100 in Japanese, Math, Sociology, Science and English exams respectively. In fact, his grades were the only reason the Body Improvement club was able to remain active at all.