Minako Kotobuki
Waka Mizuki (Voice) (12 eps)
Aki Toyosaki
Mari Hayase (Voice) (12 eps)
Daiki Yamashita
Fuuta Ichikawa (Voice) (12 eps)
Yui Fukuo
Rika Hayase (voice) (12 eps)
Toshiyuki Morikawa
Eiji Hayase (voice) (12 eps)
Ryuichi Kijima
Jun Mizuki (Voice) (12 eps)
Tomohiro Tsuboi
Akira Mikage (Voice) (12 eps)
Haruka Tomatsu
Hikari Hayase (voice) (12 eps)
Toru Okawa
William Gilbert (Voice) (2 eps)
Shin-ichiro Miki
Benjamin Franklin (Voice) (1 eps)
Daiki Nakamura
Alessandro Volta (voice) (1 eps)