In an ocean world shrouded by mysterious forces, Cthulhu-like terrifying creatures lurk in the deep sea, and ancient curses and forbidden magic are intertwined. Different forces are distributed on each island. Human beings are struggling to survive in this dangerous sea, and pirates are the most adventurous group among them. Not only do they have to face the unknown terror of the ocean, but they also have to survive in a complex struggle between forces.
