Hello Alyric James,
Welcome to Microsoft Q&A forum.
Since this is a public forum, we will hide your personal identifiable information, and I have sent that image of yours containing your personal identifiable information in a private message so we can work together to resolve the issue. Also, please check your private message in case you want to share another screenshot to avoid leaking your PII by click on the Message button.
Sorry but I i am not sure if I understand your question correctly, do you mean that you bought the game on another account not your current Xbox account? If that is the case, may I know what is preventing you from switching to your correct account? Please note that the Xbox app and Minecraft launcher use your Xbox profile, which is linked with your Microsoft Account.
I'm waiting for your reply.