>>107958916Permanent residency is only really important if you're going to be purchasing land/a home to reside in, well, permanently
She basically doesn't actually NEED it until the house is being built
It could in theory help with acquiring a loan, however she'd still probably need a few years of credit history with a Japanese bank as an American bank would be less inclined to finance a foreign home
Buuuuut basically she doesn't gotta worry about it for a bit really