1st step is to get its documentation straight., update the tax payments new number plates and file.
2nd is to make it road worthy by replacing the battery and tyres repaired.
3rd get side mirrors which are installed over fenders, commonly called sunny taxi side mirrors
this car is equal to weight to present day 2 kei 660 junk jdm cars.
ironic that its stock power train is missing, but still it has plenty of potential. NO need for denting painting, fix it mechanically.
transmission mounting may be broken, so you may need to source it from rubber parts shop by having sample in hand.