More than 50 meters under the ocean surface, Daisuke is fighting to stay alive in a world he's never seen before. He's determined to prove how strongly connected to life he is. Right now, he's stuck somewhere between the unchanging past and the unknown future and he wants desperately to break free from that into the now! The story of Daisuke and his friends is about to wrap up! Or you could say... their journey is just beginning.