Shizuku, a schoolgirl on her summer break, yearns to unearth her inner talents. While on a train ride, she spots a run-of-the-mill cat solo-riding. Piqued with curiosity, she tracks the feline. This unplanned rendezvous introduces her to Seiji, an enigmatic boy who is steadfast on chasing his aspirations, and The Baron, a mystical feline statue aiding her in heeding her heart's murmurs. Before long, Shizuku's exhilarating escapades catapult her into realms beyond her imagination.