It's the Mystery of Higepiyo!?

Romi Park

Higepiyo (voice)

Yu Kobayashi

Hiroshi (voice)

Eiji Miyashita

Papa (voice)

Satomi Arai

Mama (voice)

Motoko Kumai

Kumano (voice)

Tomokazu Sugita

Kato (voice)

Airi Sakuno

Emi-chan (voice)

Chiwa Saito

Haru-sensei (voice)