Kiyo in Kyoto: From the Maiko House S01 E06 Waiting for a Letter / Christmas in Kagai / New Year's Eve in Kagai

Aomori Prefecture. Kenta pays a visit to Kiyo's Grandma's and notices that she has received a letter in her mailbox. When Kenta realizes it is from Kiyo, he remembers how she and Sumire secretly exchanged notes in school. It was then that something about Kiyo's handwriting had started catching his attention.