Koupen-chan is an adorable baby emperor penguin who spreads positivity and cheer.
Ayaka Saito
Koupen-chan / Enaga Yokoshima-san (voice)
Sachi Kokuryu
Grown-up Penguin-san (voice)
Junji Majima
Adelie-san (voice)
Kazuya Ichijo
"Willing-to-teach type" Polar Bear-san (voice)
