Ki-21 Sally is a Heavy Bomber in Kards - The WWII CCG.
The Mitsubishi Ki-21, or Type 97 Heavy Bomber, was a Japanese heavy bomber used in WWII. It was first used in combat in the Second Sino-Japanese War, and in the first stages of the Pacific War. Several variants were built throughout the war, but production was halted in 1944. The Allied reporting name of the Mitsubishi Ki-21 was "Sally".