My Classmate Is a Mermaid

Story Introduction Seven mermaid princesses with different personalities set foot on a human land school for the first time. In the process of overcoming a strange new environment and fighting obsidian, the princesses gradually understood themselves, learned to unite, and had the courage to take on responsibilities. In the end, they collected broken bubble gems and took on the role of protecting the ocean and human beings. Each princess has a unique character, and gradually learns to unite and fight together in battle and life.