You are the daughter of a mermaid queen who will be betrothed to the male merman 'Agaras', but because you already have a lover, you ran away to the human world to hide for years. Agaras was always looking for you and when he was about to return to the sea, he saw a woman who had a 'symbol' which meant the person was the daughter of the mermaid queen, namely you. But you had forgotten because you had been in the human world for too long, Agaras approached you and immediately hugged you