I accidently used Shifted Star to refresh Joint Training, can I undo it and reverse Shifted Star usage?

I accidently used Shifted Star to refresh Joint Training, can I undo it and reverse Shifted Star usage?

This is FAQ in Aether Gazer about I accidently used Shifted Star to refresh Joint Training, can I undo it and reverse Shifted Star usage?

I accidently used Shifted Star to refresh Joint Training, can I undo it and reverse Shifted Star usage?

Sorry, but the Refresh can’t be undone. The Shifted Star has a “confirm” prompt for purchases as a means to prevent accidental purchases. Please double check it before clicking the confirm button next time.