to cultures like Japan and Russia that don’t strongly condemn such things
As someone from Russia - what?
Unless you mean being attracted to post-puberty, but pre-legal girls. That, ahem, makes sense biologically.
Girls of that age are sometimes kinda cruel to boys, though, so my personal teenage years trauma prevents me from dreaming of them. But if not for it, I think I would.
Toddlers are a completely different issue.