Aoi Kioku: Manmou Kaitaku to Shounen-tachi

During WWII, a Japanese boy named Kyota volunteers for the army and gets sent to Manchuria along with other child soldiers. When the Soviet-Japanese War begins, Kyota`s unit retreats and later is joined by a group of Japanese civilians. Together, they embark on a long journey through Manchuria.

— written by Singan