The journey of Kasumi Toyama toward her musical dream continues in the second season of the series. For a long time, Kasumi Toyama has been searching for "Star Beat"—a sparkling and mesmerizing sound that makes her heart beat faster when she looks at the starry sky. Years passed, winter gave way to summer, and attempts to find that coveted sound remained unsuccessful. One day, returning home from a high‑school admission ceremony, Kasumi stumbles upon a star‑shaped guitar in the shed of an old pawnshop. The feeling of excitement and a surge of new energy led Kasumi to conclude that this is the "Star Beat" from her childhood. Determined, she sets out to form a pop group and searches for like‑minded people. Will the girl, filled with a desire to play, be able to find true friends and achieve fame in the world of music?
