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.
You knew it was Kitahara-kun 
playing guitar in the next classroom,
Du wusstest, dass Kitahara-kun die Gitarre 
im Klassenzimmer nebenan gespielt hat,
En posant ma main sur ton cœur, 
je ressens ses palpitations,