April. A second year high school student, Arato had a normal life he spent with his friends Ryo and Kengo. Until that night. On his way home from shopping, Arato is attacked by a corrupted hIE, but a beautiful hIE named Lacia comes to his rescue. (C)2018 Satoshi Hase, redjuice, monochrom/KADOKAWA/BEATLESS Production Committee