It is indeed impossible to bind a third-party account.

You can share accounts, and up to 5 people can log in to one account at the same time. Kuwo Music permanent VIP. Kurenzhao Music is a music player software. Many friends often share Kugou membership with their friends. Kuwo members can be used by 5 people. Kuzhao members can log in on up to five devices at the same time with the same account.