Mitsubishi 8-shi Reconnaissance plane(三菱八試特殊偵察機 G1M1) was substantially a prototype of type 96 attack bomber, ordered in 1933(Showa 8),completed April 1934. Stability and controlability were excellent.
You can see chief designer Honjo(本庄季郎) under the left propeller.
Engine:Liquid cooled W12 91 type 500HP(sea level), Span:25m, Length:15.83m, Wing area:75m2, MTOW:7ton, Max speed:265.6km/h, Range:2,346km, Service ceiling:4,600m.
Honjo was the chief designer of G4M type 1 attack bomber which shot down easily by American fighter.
At the beginning of G6M plan, Honjo hoped to design 4 engined aircraft to realize hard to shot down bomber, but IJN rejected. Japan was very poor.
Source:My bible