Yoon Lee purchased a villa near the sea with no neighbours to focus on his research. He went out to take a walk at the shore then saw a beautiful person laying on the sand near the waters, what astonished him the most is that their lower half is that of a fish. As a scientist who haven't seen anything like that before, he was very intrigued. He wondered if it was a real tail of the fish or just a costume, he approached and asked.