Tsugu Miikura and her family have recently moved back to Tsugu's hometown. After spending six years away due to family circumstances, Tsugu is excited to be reunited with her childhood friends—Yuushin, Asari, and Sora—in high school. On the surface, Tsugu believes that nothing has changed since they last saw each other; however, what she fails to see are the cracks that formed in their friendship after they wrote and buried their wishes in the park back then. Asari's jealousy of Tsugu's popularity at school causes her to start harassing Tsugu, while Yuushin has begun mercilessly bullying Sora in an attempt to deal with the frustrations of his personal life. After witnessing Sora attempt to take his own life, Tsugu saves him and proposes that they run away from home. Believing that his fai