Already ostracized by her peers, Oirase Ushio's predicament worsens when a shark attack threatens her life! As the very adults who should protect Ushio turn on her, Tatsumiya Minato is her only ally. The two girls stand alone against adversaries both human and ocean oddity alike... but is there more to these deep-dwelling creatures than meets the eye! Follow along with these ocean girls as they take on the mysteries of the deep blue beyond!
