Nikora Nanami is a purple mermaid who serves as one of the main supporting characters in Mermaid Melody Pichi Pichi Pitch. In the human world, she presents herself as the older sister of Lucia Nanami and works as the manager of the Pearl Piari Hotel in the anime, while in the manga she is the owner of a bathhouse called Pearl Waters. Her true purpose is to guide Lucia and the other mermaid princesses, delivering crucial information about their mission to protect the ocean. She is a mature and composed figure who watches over the younger mermaids with a caring demeanor, often acting as a reliable mentor. Nikora develops a romantic interest in Maki, a bar owner, though this subplot remains relatively understated. Her role in the story is largely that of a steady anchor for the main characters, providing them with a safe base of operations and occasional counsel. An episode centered on her, number 41, delves into her background, and at the conclusion of the series she organizes a concert to celebrate the return of peace. As a mermaid, she possesses the ability to transform between her human and mermaid forms, but no other specialized powers are highlighted in the source material. Her purple hair and tail match, which has led some fans to speculate she hails from the Antarctic Ocean, though this is not confirmed within the story.