河童のクゥと夏休み

冨澤風斗

Coo (voice)

Takahiro Yokokawa

Kouichi Uehara (voice)

田中直樹

Yasuo Uehara (voice)

松元環季

Hitomi Uehara (voice)

なぎら健壱

Coo's Father (voice)

Nanako Hirata

Koichi's Classmate (voice)

池田恭祐

Koichi's Classmate (voice)

Kazuki Matsuoka

Koichi's Classmate (voice)