One day, with Christmas near, a message and a fir tree sent by Itsuka's mother arrive. Remembering back to the broken promises from when she was little, Itsuka is afraid to make another promise with her mother. But Nagomu's words give her a push, and she tells her mother that she'll be waiting.
Yuzu yokan causes Nagomu to remember a conversation he had with his grandfather.
I was just thinking about how 
Christmas is Christ's birthday,
كنتُ أفكّر كيف أنّ الكريسمس هو عيد
،ميلاد المسيح
Na ja … Weihnachten ist doch
der Geburtstag von Jesus.
C’est juste qu’à Noël,
on fête la naissance du Christ,
Niente, stavo pensando che a Natale
si festeggia la nascita di Gesù,
Só tava pensando em como
o Natal é aniversário de Cristo,
Подумал, что Рождество —
день рождения Христа, и вспомнил,