Yori Asanagi, though mature in many aspects, remains innocent in matters of romance. This innocence is tested when her underclassman, Himari Kino, unexpectedly confesses love to her after a band performance. Confused, Yori seeks advice from her friends, only to be playfully teased about her feelings.
Determined to reciprocate Himari's affection, Yori soon discovers that Himari's love is directed towards her music rather than herself. Undeterred, Yori resolves to win Himari's heart, but the question remains: will their passionate love be realized, or will it languish unrequited?