Nakajima Ki-87

Threatening Skies - Antonis Karidis
Nakajima Ki-87 high-altitude fighter attacking a B-29 Superfortress

Japan started working on the Nakajima Ki-87 well before the B-29 appeared, but they only managed to construct one prototype before the war ended, so it never saw combat.

Previous post about the Nakajima Aircraft Company.
Previous posts about the B-29.

Image is from the cover for a plastic model kit.