Yoshida Yoshio has played the violin since childhood, but only to live up to his parents high expectations. Feeling burdened by this pressure and unable to fit in at his new school, he leads a lonely and unfulfilling life, having lost his own desire to play. One day, he notices a girl he has never seen before in his classroom. Suspicious of her mysterious existence, Yoshio chases after her, setting the story in motion. The core conflict revolves around the mystery of this girl, Amano Tessera, as Yoshio appears to be the only one who can perceive her. The narrative is set in contemporary Japan, centered on Yoshio's school and the mundane life he wishes to escape. The notable narrative arc begins with the initial disruption of Yoshio's lonely routine by Tessera's appearance, leading him into a situation that blends his adolescent struggles with an unexplained supernatural or psychological phenomenon.