yea 1 can will last you. i did my stock and LED tails with 1 can. just b patient, i wasn't and smugged them a bit. definetly wet sand between VHT and clear coats. i will make a world of difference.
also +1 on putting them next to each other for even coats.
My wheels aren't JDM but I have been told that my wheel size and paint are "ricerish". They are 22x9.5 Shelby Toq-Thrust
*sorry only pic i have on work comp