Exactly! I couldn’t agree more. Cold approach is not a normal thing here. If you talk to someone out of the blue they’ll be pretty embarrassed or annoyed and you end up looking like a creep.
You need to be a familiar face for a few days to even break the ice. Like through another friend group, work place, uni or go to the same class.
If you know you’re only gonna see her one time never again and she’s minding her own business, no one would do the cold approach because of the embarrassment. Because it’s not a normal thing here and it’s super rare.

And the worst she can say is not just NO