A project of tributes to the Soviet Union, The Democratic People's Republic of Korea, and Ushio Okazaki.
Korean version of Katyusha is sung by Ajoo Male Choir. Katyusha made by Matvey Blanter Ushio Pictrues are from both Clannad Anime (Made by Kyoani with Key) and Visual Novel (Made by Key / Visual Arts.)
