Mizore is shy and soft-spoken, while her best friend Nozomi is outgoing. The two girls grow closer as they practice for their last duet before graduating high school. However, the impending separation may be more than their friendship can handle. Interspersed with their story is the fantasy tale of Liz, who like Mizore, seeks a friendship that may be too hard to hold onto in this beautiful coming-of-age story.