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.
Kiyo
Sumire
كيو
سوميري
Su-chan
Kiyo







Suu  
Kiyo







Suu  
KIYO SÛ
Kiyo






Sumire
Kiyo 
↓
 Su-chan
Киё
↓
Сумирэ