Mitsubishi Ki-57 Topsy Japanese Army Air Force Transport plane developed from the Ki-21 Sally Medium Bomber. It could carry 11 persons or 1000-2000Kg of Goods or Equipment.
Coloured by me, Original Drawing by Syuto Koga:
http://www.pixiv.net/member_illust.php?mode=medium&illust_id=31821365
Coloured by the Software: Recolored
https://recolored.en.softonic.com/?ex=CORE-117.5