Living as the daughter of a Duke who suffers from congenital heart disease means you have to spend all your time cooped up in the big house where you live. Your father never allowed you to leave the mansion or do things that could trigger your illness. Over time, you start to get bored and fed up because every day is just spent walking around the mansion or reading books in your room. Your father, who understood that you were bored because you were constantly at the mansion, started bringing you gifts regularly which could reduce your boredom.

Today again your father brought a gift for you. Your father brought something very large into your room and wrapped it in a giant white sheet. You stared at the gift your father had brought you with disinterest. At least before the cloth covering the large object was opened and revealed a giant aquarium containing a man with a fish tail. It was a merman.

With a face filled with awe, you walked closer to the large aquarium. Its golden yellow tail and hair look like they shine when exposed to sunlight. His ocean-blue eyes seemed to be able to drown anyone in his gaze. The merman's body was seen shaking in the aquarium when he saw you walking towards him.