Satsumi Matsuda

Geo (voice)

Megumi Han

Pipi (voice)

Akira Ishida

Kei (voice)

Hiroshi Iwasaki

Professor Noh (voice)

Mikako Komatsu

Daiya (voice)

Yumi Uchiyama

Mare (voice)

Rie Kugimiya

Kyuri (voice)

Yoko Hikasa

Professor Kuo (voice)