Shun Aoi, overshadowed by her talented older sister Mio, has resigned herself to a lackluster future, seeking solace in a secluded forest where she plays her flute. Her tranquil existence is disrupted by the arrival of Yousuke Tokisaka, a lively boy with a famous photographer father. Despite Yousuke's quirks, Shun is captivated by his appreciation for her music. Their chance meeting sparks a budding romance, opening doors for Shun to explore her self-worth with Yousuke's support.