This is a cosplay costume of Yumeko Jabami from Kakegurui, purchased from HOLOUN. I tried it on once, but the size didn't fit, and I haven't worn it since. It's a women's size M. The fabric of the jacket is quite thick, and it doesn't feel flimsy at all. The zipper on the skirt has been a little difficult to close since I bought it, but it will go up if you hold it from the base and pull.