Shuhei Nomura

Character: Shuichi Azuma (voice)

Daichi Kaneko

Character: Kenta Saijou (voice)

Kaya Kiyohara

Character: Noruda (voice)

Hideki Kojima

Character: Kanzaki-sensei (voice)

Lynn

Character: Momoi-sensei / Kenta Saijou (7 years old) (voice)

Yasuyuki Takase

Character: Tongari (voice)

Mariko Honda

Character: Iinchou / Shuichi Azuma (7 years old) (voice)

Masahide Yamaguchi

Character: Noppo (voice)

Mai Omori

Character: Kiriri (voice)

Nanaka Suwa

Character: Otenba (voice)

Haruko Teramoto

Character: Chuka (voice)

Atsushi Sasaki

Character: Tonteki (voice)

Hina Kino

Character: Tama-chan (voice)

Sanae Nakata

Character: Kateika (voice)

Yuna Taniguchi

Character: Yowamushi (voice)

Fujiwara Yuki

Character: Sawayaka (voice)

Jun Inoue

Character: Male student (voice)

Koichi Yokota

Character: Radio voice (voice)