Mermaid Melody: Pichi Pichi Pitch (2003–2004)

Name: Mermaid Melody: Pichi Pichi Pitch
Genre: Animation, Kids, Drama, Sci-Fi & Fantasy, Comedy
Cast: Asumi Nakada, Hitomi Terakado, Mayumi Asano, Daisuke Kishio, Miyako Ito

Anime series · Animation, Kids, Drama, Sci-Fi & Fantasy, Comedy, Family, Action & Adventure · 2 seasons · TMDB 8/10

As one of the seven mermaid princesses, Lucia must travel to the human world to protect the mermaid kingdoms.

Cast: Asumi Nakada (Lucia Nanami (voice)), Hitomi Terakado (Hanon Hōshō (voice)), Mayumi Asano (Rina Tōin (voice)), Daisuke Kishio (Kaito Dōmoto (voice)), Miyako Ito (Hippo (voice)), Eri Saito (Nikora Nanami (voice)).

Not on a subscription app in India right now.