Hitori Gotou, known as 'Bocchi-chan,' is extremely introverted, often starting conversations with a hesitant 'Ah...' During her middle school days, she picked up the guitar with a dream of joining a band, seeing it as a chance for her reserved self to shine. With no friends to join her, she dedicated six hours daily to practicing alone. Mastering the guitar, she shared her performances online as 'Guitar Hero,' dreaming of gracing her school's cultural festival stage. Despite her talent, she struggled to find bandmates, and as high school loomed, she still stood friendless. Hovering on the edge of isolation, a lifeline appeared in the form of Nijika Ijichi, the drummer from Kessoku Band. This encounter marked the start of a gradual transformation in her once solitary existence...