Minami Kaido is one of the main characters in the anime series 'Go! Princess Precure', part of the Pretty Cure (Precure) franchise. As Cure Mermaid, she is the second Precure to join the team and is known for her calm, mature demeanor and strong sense of responsibility. Minami is intelligent, athletic, and comes from a wealthy family, often acting as a supportive older-sister figure to her friends. Her powers are water-themed, and she plays a crucial role in protecting Hope Kingdom from the Dys Dark forces.