Minami Kaido


 * Minami is a calm and caring 14-year-old girl, and second year student at Noble Academy. Known as the "Academy Princess", she is the student council president of the academy and is admired by all of the students. Despite having a solitary appearance and a strict demeanor, she also cares for others like an older sister and wishes to become useful and helpful to others. She is also a member of the ballet club and has been afraid of ghosts since she was young. In episode 44, her dream is to become a marine veterinarian like Asuka. In the epilogue, she became a veterinarian. Her Dress Up Keys are Mermaid, Ice, Bubble, Sango (Coral) and Pumpkin.
 * As Cure Mermaid, she is known as the Princess of the Sea and introduces herself as "Princess of the Crystal Clear Seas! Cure Mermaid!" (澄みわたる海のプリンセス!キュアマーメイド! Sumiwataru Umi no Purinsesu! Kyua Māmeido!). Her theme color is blue.