Hi there! I hear you, and I understand the frustration of running into an unexpected charge to cancel. I can't see or adjust accounts from the community side, so I don't want to guess at the specifics of yours, but the team who can actually review your plan and what applies to it is here: https://helpx.adobe.com/contact.html?rghtup=autoOpen. They'll be able to walk through the cancellation and any options with you directly.
Rose
@ambitious_Brilliance5c68 @talented_speaker285f