Koibumi

Akabira and Fujimiya are soldiers on the front line during WWII. To Akabira, Fujimiya's friendly personality is his only encouragement on a cruel battlefield. One day, Fujimiya admits to being unable to write and asks Akabira to write a letter in his stead. But as Akabira pens Fujimiya's letters to his sweetheart back home, he realizes he is becoming jealous of their recipient...

(Source: eBookJapan)