Cast
Yuma Asami
Reika / Siren
Ricet Barrier
Saturnin (voice) • 78 episodes
Yuria Hidaka
Mamimi
Annie Colette
Belette (voice) • 78 episodes
François Lalande
Arsène (voice) • 78 episodes
Takashi Naha
Yamada
Eiji Nakamura
Hayami
Yuya Matsuura
Yohei
Tetsuya Kobayashi
