Hi there!
Yes, the plugin does not work for MV. It only works for MZ. You can see that on the Cover of the plugin and on the plugin filename:
Feel free to ask a refund if you want ^^
Thank you so much for replying! I am sorry I didn't see that on the cover.
Yes please may I ask for a refund? Or do I need to go through itch.io for this? Thank you!