The Lazurean awaits... Moguru's father disappeared when he was a child and so he enrolls Yamato's naval Submarine Academy with two things in mind: To board a hyper-submarine to explore the Lazurean and to find his father. Moguru will come to see his circlobe in a different way, from the tainting nostalgia of Abura's submarine graveyard slums to the untouchable exotic beauty of the Shukumei oceanic abyss. His world stands as a metaphor for the choices he will have to make as Yamato is driven into war with a nearby circlobe and so opening a dangerous way to find his father Not even Moguru's closest friends and family know the true purpose of his search for a father that was never there or even come to fathom the epic journey that awaits him and his friends beyond the endless infinite waters of the Lazurean.