Mermaids

This are all the seven mermaids in the anime, but in the second season, a new Mermaid Princess of the Indian Ocean will be.

These are the main characters (left to right):

Rina Toin, Mermaid Princess of the North Atlantic Ocean, is the green pearl voice.Lucia Nanami, Mermaid Princess of the North Pacific Ocean, is the pink pearl voice.Hanon Hosho, Mermaid Princess of the South Atlantic Ocean, is the aquamarine pearl voice.