I am also a fan of the 410(as much as an allied opportunest can be) however I agree with Mitsu. I would like to see a Japanese twin first.
How about the Gekko
Power plant:
Two Nakajima NK1F Sakae 21 fourteen cylinder air-cooled radial engines, each rated at 1130 hp for takeoff, 1100 hp at 9350 ft. (2,850 m.), 980 hp at 19,685 ft (6,000 m.).
Dimensions:
Wing span 55 ft. 8 1/2 in. (16.98 m.)
Length 41 ft. 10 3/4 in. (12.77 m.)
Height 14 ft. 11 19/32 in. (4.56 m.)
Wing area 430.6 sq. ft. (40 sq. m.)
Weights:
Empty 10,670 lb. (4,839 kg.)
Loaded 15,454 lb. (7,008 kg.)
Maximum. 18,043 lb. (8,182 kg.)
Performance:
Maximum speed 315 mph at 19,160 ft. (5,840 m.)
cruising speed 207 mph at 13,125 ft. (4,000 m.)
Climb to 16,405 ft. (5,000 m.) 9 minutes 35 seconds.
Service ceiling 30,610 ft. (9,330 m.)
Normal range 1581 miles
Maximum range 2348 miles
Armament:
Two fuselage-mounted upward-firing 20-mm Type 99 cannon and two downward firing 20-mm Type 99 cannon. On J1N1-Sa, the downward-firing cannon were deleted. Optionally, an additional 20-mm Type 99 cannon could be installed in the nose of the J1N1-Sa.