イルカ少女ダ、私ハ

요시오카 리호

Ruca/Rika

Eri Kawakami

Isari

Sayo Ampo

Orca/Nami

Michaelty Yamaguchi

Professor Fukami

Yuzuru Yamanoi

Konami

Noriko Yamanoi

Tosaka

Time Ryōsuke

Senpai