☆Ryoma Echizen (M) △Kunimitsu Tezuka (M) △Shuichiro Oishi (M) ☆Shusuke Fuji (M) ☆Eiji Kikumaru (M) △Sadaharu Inui (M) △Takashi Kawamura (M) △Takeshi Momoshiro (M) △Kaoru Kaido (M) Satoshi Horio (M) (Manager during training camp) Kachiro Kato (M) (Manager during training camp) Katsuo Mizuno (M) (Manager during training camp) Sumire Ryuzaki (F) (Seishun Academy Coach) (Sakuno's grandmother) Sakuno Ryuzaki (F) (Manager during training camp) Tomoka Osakada (F) (Manager during training camp) Everyone is a middle school student!

Kippei Tachibana (M) △Akira Kamio (M) △Shinji Ibu (M) Tetsu Ishida (M) Masaya Sakurai (M) Kyosuke Uchimura (M) Tatsunori Mori (M) An Tachibana (F) (Tachibana's sister) (Manager during training camp) Everyone is a middle school student!

△Hajime Mizuki (M) △Yuta Fuji (M) (Seishun Academy's Shusuke Fuji's younger brother) Yoshiro Akazawa (M) △Atsushi Kisarazu (M) Shinya Yanagisawa (M) Ichiro Kaneda (M) Takuya Nomura (M) Everyone is a middle school student!

☆Kiyosumi Sengoku (M) Jin Akutsu (M) Kentaro Minami (M) Masami Higashikata (M) Taichi Dan (M) Juji Muromachi (M) Inakichi Nitobe (M) Kazuma Kita (M) Everyone is a middle school student!

☆Keigo Atobe (M) ☆Yushi Oshitari (M) Gakuto Mukahi (M) △Ryo Shishido (M) Jiro Akutagawa (M) △Munehiro Kabaji (M) △Chotaro Otori (M) Wakashi Hiyoshi (M) Everyone is a middle school student!

Seiichi Yukimura (M) ☆Genichiro Sanada (M) △Renji Yanagi (M) ☆Akaya Kirihara (M) Hiroshi Yagyu (M) Masaharu Nioh (M) Bunta Marui (M) Jackal Kuwahara (M) Everyone is a middle school student!

Kintaro Toyama (M) Kuranosuke Shiraishi (M) Senri Chitose (M) Gin Ishida (M) Kenya Oshitari (M) Koharu Konjiki (M) Yuji Hitouji (M) Hikaru Zaizen (M) Kenjiro Koishikawa (M) Everyone is a middle school student!