A fictional high-altitude interceptor designed by Sasaki_(Crazy_Planet). (pixiv #12051969)

Reminds me of the Dessert Fox of Crimson Skies

It looks as if the IJA captured an MiG-3U, and swapped the engine for a Sakae engine. Or maybe a Homare, or a Kasei.

outlaw02 said:
It looks as if the IJA captured an MiG-3U, and swapped the engine for a Sakae engine. Or maybe a Homare, or a Kasei.

Or all three, given the length of that nose.

henmere said:

A fictional high-altitude interceptor designed by Sasaki_(Crazy_Planet). (pixiv #12051969)

But I've seen it in an old comic by Matsumoto Leiji