With her dislike of Yuzu and Mei's relationship, Matsuri uses the secret photo she took at the shopping mall to blackmail Mei into fooling around with text-pal on Christmas. Meanwhile, Yuzu knows nothing of this and struggles to bake a cake for her first Christmas together with Mei. While her excitement builds, Mei comes home and breaks the news that she won't be able to join their Christmas Party due to student council work...
Oh? You were baking the Christmas 
cake from scratch this year?
Oha? Also backst du den Weihnachtskuchen
dieses Jahr komplett selbst?
Vaya. ¿Este año hiciste
el pastel de Navidad desde cero?
Vaya. ¿Este año hiciste la tarta
de Navidad completamente casera?
Ah, então você estava fazendo
bolos artesanais este ano?
О? В этом году ты сама
пекла рождественский торт?