Visiting the music room as part of a penalty game, Miyuki encounters a ghost girl. "I want you to be the one to help me pass on." Told this by the ghost, Miyuki decides to help her find peace, but— As she gets to know the ghost, Miyuki realizes she is drawn to her. At the same time, she understands that granting the girl's wish means they will never meet again. And she realizes that if she doesn't help her pass on, she can stay by her side forever. Torn between her own desires and her feelings for the girl, Miyuki wavers. Which path will she ultimately choose?