Waiting for a Letter / Christmas in Kagai / New Year's Eve in Kagai (S01E06)

In Aomori Prefecture, Kenta stops by Kiyo's grandmother's house and spots a letter in the mailbox. Upon discovering that it's from Kiyo, he recalls the secret notes exchanged between her and Sumire at school. This memory brings back feelings about how Kiyo’s unique handwriting had begun to pique his interest.