Cast
Toyosawa River Kappa / Yoshi's Nephew / Additional Voices
Shizukuishi River Kappa / Reiko's Grandfather / Additional Voices
Kitakami River Kappa / Reiko's Brother
Tanaka Jizo / Additional Voices
Tomoko / Reiko's Mother / Additional Voices
Kozuchi River Kappa / Yui's Father
Female Staff Member / Additional Voices
Mabechi River Kappa / Additional Voices
House Spirit / Additional Voices
Kiwa-san / Kiwa-san (voice)
Kappa of Mabechigawa (voice)
Kappa of Kitakamigawa (voice)
Kozuchigawa no kappa / Kappa of the Kozuchi River (voice)
