The guy with the spray can fetish needs all his bikes rescued....
Not that I'd criticize him doing what he wants with his bikes.....
But.............. yellow?
I agree it's not a Miyata.
I also recommend you take the chain off and take the bike to a body shop.
They can either sell you some stuff or recommend a jobber who has a product to remove that paint without damaging the underlying coats.
They use it all the time on vandalized and overspray jobs.
Once you do that, you'll have a sense of direction, and less of a sense of
!