The buttons are way too large, taking away space that could be used for useful information. All the points under "Notebook" could be put somewhere on the regular screen so you don't have to click multiple times. I like that you mapped keys for options, but 1, 2 and 3 being mapped to outfits is kinda pointless. Some outcomes in Class will throw you back to the main menu, when you just want to finish all the classes, completely interrupting the flow.
All in all, the UI should be way tighter, smaller and more informative. Something like this would be more than enought for the buttons:
View attachment 3352192
Nobody wants to click all the time in a rather.....hands off....gaming experience.