Ayu Tsukimiya is a fictional character from the visual novel series Kanon, created by Key. She is depicted as a cheerful and somewhat clumsy girl with a love for food, particularly sweet treats. Ayu has a distinctive appearance, characterized by her short stature, long hair, and a unique outfit that often includes a green jacket. In the story, Ayu is known for her catchphrase, "Uguu," which she often says when frustrated or embarrassed. Her character plays a significant role in the narrative, as she interacts with the protagonist and other characters, contributing to the emotional depth of the game.