The Clannad animated television series is based on the visual novel Clannad by the Japanese visual novel brand Key. The episodes, produced by the animation studio Kyoto Animation, are directed by Tatsuya Ishihara, written by Fumihiko Shimo, and features character design by Kazumi Ikeda who based the designs on Itaru Hinoue's original concept. The story follows the main character Tomoya Okazaki, a discontented high school student whose life changes when he meets a girl one year older than he is, named Nagisa Furukawa.