Although Natsuno Sarasa is extremely shy and often reluctant to communicate her thoughts and feelings, she is determined to form new friendships at the summer music festival that is fast approaching. Despite her dwindling hope, Natsuno is taken aback when one of her classmates, Hourai Yayoi, unexpectedly asks for one of her festival tickets. While he isn't the friend she had in mind, could this unforeseen encounter bring new opportunities for Natsuno?