Kyo, a keen swimmer, does his best to keep the high school swimming club afloat, which is difficult given he is the only one. Faced with the possibility of the club being shut down by the student council, he seeks to enlist the help of lovely Misaki to participate in a promotional video produced by his good friend Ryoko in order to kickstart a recruitment drive. She accepts, but only if he flies a mecha for Celebrum, a rebel group fighting the aliens Gards-orm who have created Deutera Areas on Earth. He agrees, but it all feels oddly familiar to him, like if he's done it before.... Themes: Mechanics, mystery, romance, and science fiction Genres: drama, mystery, romance, and science fiction