I can't tell if Mio loves it or hates it. From the last panel I think she's shouting "It's not wierd" I think. Still the expression is confusing since she looks like she's not really enjoying it.
I believe she likes it, since the tiny text seems to be saying "Yui, Good Job!"
This...PREPARATION ROOMYes it does!Perhaps you should turn you into a more cultured person, to further your education.L-let go of me, Yui! Don't just go and take off my...You're really rude!This outfit just doesn't suit me...Good job Yui!I think I know what you need more of, Ritsu, and that's education.AAAAAAAA