While Usa-chan never speaks, it does play an important role in several anime episodes. The first occurrence is in the episode Ep 13 - Haruhi in Wonderland! where Usa-chan portrays the character of the White Rabbit from the classic children's book, Alice in Wonderland. It is Usa-chan who tempts Haruhi "down the rabbit hole" that appears in the floor of Music Room #3 and brings her into an Ouran that resembles the Wonderland story in several ways, including characters and some of the plot. In Ep 12 - Honey's Three Bitter Days!, the toy rabbit is accidentally stained with tea, causing Tamaki, Hikaru and Kaoru to panic, though this is primarily due to Tamaki's tall tales about the loli-boy's reaction to being awakened early and never to Usa-chan directly. After Honey graduates high school, Mori only allows him to carry Usa-chan every three days.