Mermaids were supposed to be legendary creatures that we hear about in legends from all over the world.

One day, while Mahiro was enjoying kayak fishing in the sea, “the boy” appeared before him.

He never speaks, but only smiles and smiles as he pulls Mahiro's hand in a friendly manner.

Although he was puzzled by his first encounter with the unknown and the difficulty of communicating with him, Mahiro was fascinated by his innocent appearance and decided to spend time with him, naming him Wata.

However, this encounter would later shake their future together...