Great question — answering as the UphillTech team:
Crunchyroll doesn't have regional accounts, they determine what you can watch depending on your current location. Example: you register in the US, then move to - dunno - Azerbaijan, you'll only be able to watch the shows available in Azerbaijan. Source Crunchyroll also doesn't care about what kind of device is used with what kind of regional PS/Xbox/whatever account to watch their streams. Again, they only care about your current location.
Full answer by Gorzius: https://anime.stackexchange.com/a/48331 (CC BY-SA 4.0).
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