After the success of the School Fair concert, Haruki and Ogiso fall in love.  But the two of them still want to include Kazusa just like they have so far.  Kazusa answers by affirming her friendship with Setsuna, and on the surface things continue as before.  And before much time has passed at all, the second semester is over and winter break begins.  Setsuna and Kazusa drag Haruki on a Christmas hot springs vacation, and they enjoy their last big, fun, event.
Are you saying it's you 
who made her so cute?
Also sagst du, 
dass du sie so niedlich gemacht hast?
¿Dices que eres tú el 
que la hizo tan linda?
¿Quieres decir que has sido tú 
el que la ha hecho tan agradable?
Tu veux dire que c’est toi
 qui l’as rendue aussi mignonne ?
Está dizendo que foi você
quem a deixou fofinha assim?