Asano Minato, with a trombone strapped to her back and a back curved like a cat, is being energetically chased by her cheerful senior, Sugawa Hibiki. The stark contrast in their heights and the almost yin-yang-like difference in their atmospheres create a unique dynamic. These two opposites engage in a dialogue through their sessions! Hibiki's struggles to create a new club and Minato's refusal to join lead to a harmonious love story...? Thus begins their challenging yet exciting music club life!