Season 1

Kotono Mitsuishi

Teacher Satsuki

Yuji Ueda

Tairaku

Yuko Miyamura

Aya Shirakaba (voice)

Shigeru Chiba

Aya's Father (voice)

Chiyako Shibahara

Saki (voice)

Akio Suyama

Kojishi (voice)

Kyousei Tsukui

Okubo (voice)

Chafurin

Principal (voice)

Hisao Egawa

Ken (voice)

Soichiro Hoshi

Kusakabe (voice)

Hisashi Izumi

Yamagishi (voice) (as Hisashi Izumi)

Katsuyuki Konishi

Teacher Togawa (voice)

Takashi Nagasako

Friend (voice)

Chinami Nishimura

Kusaya's Younger Sister (voice)

Tomo Saeki

Kojishi (voice)

Jun Suzuki

Kimura (voice)

Megumi Urawa

Kusaya's Older Sister (voice)