Human beings always think that mermaids have the upper body of a human, the tail of a fish and the beauty of a country. In fact, these are just a small group of mermaids with excellent bloodlines. Most mermaids have pointed fangs and sharp claws in order to survive in the ocean. There is an ancient curse. If a mermaid wants to have a beautiful appearance, she must find a human who loves him and eat his heart. Then the mermaid will have tears, and the tears will turn into beads, and the mermaid will have peerless beauty. But if the mermaid finds a human who loves him, and the mermaid also falls in love with that person, the mermaid will gradually age until he dies before the mermaid eats his heart...