Definitely Japanese... definitely a prototype... was it inspired by the P-38? EDIT: I have it, Tachikawa Ki-94. EDIT NUMBAH 2: Yes, I know that's the plane because the picture is on Google. I was about to choose the same plane Jagdtiger did (Aichi M6A1 Seiran floatplane). But how id your plane the Aichi M6A1 and it doesn't have pontoons?
I can see the US Air Force symbol half covered up by the starboard engine and wing... obviously a prototype bomber that never entered service/wasn't as renowned as the B-17, 24, 25 +29... A-20 Havoc?
hmmm well thinking about it now I think I may have made this too hard. This was a "fictional plane" it did not exist. You can figure out what that means...