Like the 'heartbeat of the stars' she heard while looking up at the starry sky as a child, Kasumi was always looking for something sparkling and heart-pounding.
One day, just after entering high school, she felt her heart race for the first time thanks to a 'star-shaped guitar' she came across in the storehouse of an old pawn shop, and the feelings she'd kept locked away for so long began to run.
Together with 4 other girls like her, all looking for a place to shine. The 5 of them will surely be able to play the sound that they couldn't produce by themselves.