In order to uncover the "end of the sky," as spoken of in ancient mythology, Kal-el Albus is sent to Isla, an island in the sky. There he attends Cadoques High's Aerial Division, where he enjoys a carefree life with … Aoi Yuki, Ayana Taketatsu, Kaito Ishikawa, Natsuki Hanae, Asami Tano, Chiaki Kano, Daisuke Motohashi Added on Amazon Prime 2021-06-21. Youtube Trailer