In the vibrant town of Cherry Hill, Haru's life is turned upside down when she meets Yashima, a charismatic grade schooler, at a bowling alley. As they spend more time together, Haru finds herself inexplicably drawn to Yashima, who confidently expresses his desire to date her. However, Haru's heart belongs to Yuusaku, her childhood friend who has been away in America for a year. Yuusaku's return brings a mix of emotions, and both Yashima and Yuusaku soon discover they have competition for Haru's affections. As their feelings for Haru deepen, the boys must navigate their own emotions and the complicated dynamics of their relationships with Haru, all while trying to secure their place as the most important person in her life.