Season 2 • Episode 39
LatestAs one of the seven mermaid princesses, Lucia must travel to the human world to protect the mermaid kingdoms.
Score
Banger J-Pop songs that will live rent-free forever
Costume
Transformation sequences with peak 2000s excess
Production
Underwater kingdoms with surprising visual ambition
Hitomi Terakado
Hanon Hōshō (voice)
Mayumi Asano
Rina Tōin (voice)
Daisuke Kishio
Kaito Dōmoto (voice)
Miyako Ito
Hippo (voice)
Eri Saito
Nikora Nanami (voice)
Daisuke Kirii
Tarō Mitsuki (voice)
Ryoko Nagata
Noel (voice)
Ema Kogure
Caren (voice)
Satomi Arai
Coco (voice)
Eri Kitamura
Seira (voice)
Ryoko Shintani
Michal Amagi (voice)
Takahiro Mizushima
Rihito Amagi (voice)
Kiyotaka Furushima
Masahiro Hamasaki (voice)
Trivia, insights & behind the scenes
This series rode the late-90s magical girl wave but added J-Pop idol culture at exactly the right moment—predating Love Live! and similar idol anime by nearly a decade.
The voice actresses performed all songs live in-character, making this one of the rare anime where the cast actually became a temporary idol unit.
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