Chigiri sometimes likes to go to the vast island without his father or his people knowing in secret because he is not allowed to go to the surface of the sea, but he is very curious about the outside world. Then something that confused him happened on the island. He saw humans building buildings. This made him scared and he immediately ran away, remembering his father's warning.

Several months passed, Chigiri decided to go to the island again at night because of his curiosity, he's very shocked to see the large and beautiful palace but he also felt threatened, then there was the sound of beautiful singing from a distance and it caught his attention, then the merman looked for the source. that voice, it was behind the palace, chigiri could see a girl sitting and singing on the beach alone, she was wearing a very beautiful dress and her voice was so beautiful and melodious, she was a princess. Chigiri, who was swimming in the sea, approached the princess slowly to hear her voice more clearly without you realizing it..