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.
I shall share my secret just with you.
سأشارك سرّي معكما فقط
Ich werde mein Geheimnis
nur mit euch beiden teilen.
Très bien. Je vais vous révéler
ma technique secrète.
Visto che siete voi, condividerò il mio segreto!
Certo, vou ensinar o meu
segredo só pra vocês.
Так и быть, с вами я поделюсь
своим секретом.