100% brand new Contemporary Goodbye Shirt SIZE M

100% brand new!! Completely unworn and sells with tag on. I bought it online and it was too big for me. Since it's finally sale product so I couldn't return or exchange it. Please be advised the model is wearing size S and the one I'm selling is M. Forever 21 Contemporary - A Woven Pajama-Style Shirt Featuring A Back "Goodbye!" Content + Care - 100% Polyester - Hand Wash Cold Size + Fit - Model Is 5'6.5" And Wearing A Small