Talk:The Garden of Sinners Collaboration Event Revival (US)/@comment-45039379-20200218155355/@comment-37387872-20200218173407

I'm pretty sure that for PayPal, the reason it doesn't work is because lots of stores require a CC connected to the account to prevent fraud. However, have you considered buying a gift card at a physical retailer and load up your Google Play account that way? You might be able to completely circumvent the need to link anything.

On a side note, is there a reason you don't want to link your bank account? Unlike FGO, Google Play also operates officially within the EU, so they have to abide by GDPR rules if you have privacy concerns.