Challenge!

Kouichi Nagano

Shigeyoshi Kumada (voice)

Mika Ishibashi

Sarukkii (voice)

Ryou Naitou

Naomi Minamoto (voice)

Shinya Kote

Taira Shigeo (voice)

Tony Hirota

President of Ikari Paving (voice)

Yuu Daiki

Nanako Minamoto (voice)

Toshiyuki Toyonaga

Taira Kappeita "Capeta" (Middle School) (voice)