Yukito Kunisaki is on a journey, seeking a girl with wings who flies in the sky, as mentioned in a childhood tale. During this journey, he settles down in a small town, trying to make some money. There, he meets a strange girl named Misuzu. Misuzu quickly makes Yukito her friend and invites him to stay with her. Yukito decides to stay in the small town, and continue searching for the winged girl his mother had searched for in her life.
-taken from Anime News Network

Picture	Real Name	Description
	Yukito Kunisaki	Yukito is a traveling wanderer searching for the 'girl in the sky'. This goal has been passed down his family for from generation to generation for the past thousand years.
	Misuzu Kamio	Misuzu is the first of the three girls featured in Air that meets Yukito Kunisaki. She befriends Yukito, and invites him to stay at her home. She is a cheerful, slightly clumsy girl, and often utters the pseudo-dinosauric phrase Gao when she feels troubled.
	Kano Kirishima	Kano is the second of the three girls to meet Yukito. She is usually energetic and playful, and often says strange, nonsensical things. Kano is friends with a stray dog named Potato that follows her around and is able to communicate in his strange manner of speech. She always wears a yellow ribbon tied around her right-hand wrist, believing that when she grows up and takes off the ribbon, she will be able to use magic.
	Minagi Tohno	Minagi is the last of the main girls to meet Yukito. A top student in the school, Minagi is very shy and quiet, which isolates her from others. Until she met Yukito, her only friend was Michiru, with whom she often blows bubbles at the old train station.