Mermaid Got Married

In this story, a teacher who is afraid of water is rescued by a mermaid after an accident. During the rescue, he unknowingly swallows the mermaid's magical pearl, which causes her to become stuck on land. To get her pearl back, the mermaid enrolls as a student at the teacher's school. As they spend time together, they develop a romantic relationship. However, their growing connection faces challenges when the school principal discovers the mermaid's true identity and the secret she is hiding.