The fisherman who lives on the Island far away from the mainland often followed his father to go fishing when he was a child, and he developed a good skill since he was a child. However, in a storm, Geaneas fell into a temple on the bottom of the sea, accidentally saw the prophecy of the sea, and gained the power of the sea and the blue hair that symbolizes the sea. Geaneas, who survived the catastrophe, was regarded as the son of the sea by the Islanders, but he suddenly decided to go far after seeing the prophecy. So, a little fisherman turned and became a rookie adventurer! Now he is working hard for this month's rent.