Naho got into a fight with Kakeru on New Year's Eve, and never managed to apologize to him before he passed away. At least, that's what the letter from the future says. However, Naho now believes that she's capable of dealing with whatever may come up, and faces New Year's Eve head-on.
In the letter, my future self 
said she met his grandma.
.قالت نفسي المستقبليّة في الرسالة أنّها قابلت جدّته
Im Brief stand, dass ich
seine Oma getroffen habe.
La carta decía
que me encontraba con su abuela,
La carta decía que me 
encontraba con su abuela,
La lettre dit que j’ai rencontré 
sa grand-mère…
Nella lettera c'è scritto 
che incontrerò sua nonna tra dieci anni.
A carta disse que nós fomos
 visitar a avó do Kakeru.
В письме написано,
что я встречалась с его бабушкой.