The character in Kanon that was voiced by Yui Horie is Ayu Tsukimiya. Ayu is a high school student who is shy and has a hard time making friends. She is also very emotional and often cries when she is upset. Yui Horie did a great job of voicing Ayu and made her a very believable character.
Voices of the Anime Dominion: Unleash Your Knowledge in the Yui Horie Quiz!