The "elite student in music room 2" turns out to be Haruki's delinquent classmate, Kazusa Touma. With his characteristic pushiness, he tries to get her to join the light music club. But his pushiness backfires, and only makes her more annoyed. Setsuna gets irritated... no, involved, and approaches Kazusa secretly.

The day of the festival is here, and the three are getting ready for their performance. They sing, dance, and play on stage with all their hearts, and have the best time of their live. But the wonderful fun they had leaves them sad and uncertain about the future. And that night, Haruki is faced with a sudden and important choice.