マーメイドメロディー ぴちぴちピッチ

"Mermaid Melody Pichi Pichi Pitch" is a Japanese manga series created by Michiko Yokote and illustrated by Pink Hanamori, which has been adapted into a popular anime, video games, and other media. The series centers on seven mermaid princesses who must venture into the human world to retrieve their magical pearls and use their singing voices to combat evil forces threatening their underwater kingdoms. The protagonist, Lucia Nanami, is the mermaid princess of the North Pacific Ocean. She goes ashore to retrieve the pearl she entrusted to a boy seven years prior, and meets fellow mermaid princesses Hanon Hosho and Rina Toin. They must gather the pearls and fight the enemies while keeping their mermaid identities secret. The anime consists of two seasons: "Mermaid Melody Pichi Pichi Pitch" (first season) and "Mermaid Melody Pichi Pichi Pitch Pure" (second season), with a total of 91 episodes, produced and aired by TV Aichi. Additionally, there is a manga sequel titled "Mermaid Melody Pichi Pichi Pitch aqua", which introduces new adventures centered around Lucia's daughter. The series is well-received for its unique magical girl warrior style and catchy songs.