And it’ll be all-electric, too.
Start with the i-MiEV’s rear subframe and powertrain. Take the front subframe too, it’ll do for this.
Put a low, long slab of battery. 30 kWh will probably do, more if you can get away with it.
Put a low-slung coupe body on it, and give it gullwing doors. Stay within kei car dimensions, though.
(Yes, I know, three people would buy it, and they wouldn’t sell it in the US, so I wouldn’t be one of those three. But I can dream, can’t I?)