Morio Asaka is a Japanese storyboard artist and director. After graduating Osaka Designers' College, Asaka entered Madhouse. He was inspired to become a director by Phoenix: Yamato Chapter and made his debut as an episode director in episode 40 of Yawara! He made his chief directorial debut with the 1993 OVA POPS. His noted works include, among others, Cardcaptor Sakura, Chobits, Gunslinger Girl, Nana, Chihayafuru, and My Love Story!!