It's a Japanese yukata!

red yukata,From the back,spread both arms, ponytail,blush,smile,great joy,:d,smug face,lakeside,street light,many red rose flower,falling red petals,Demon castle in the background,((golden decoration)),1 woman,black,Devil,devils wings,devils horns,solo,1 woman,masterpiece, best quality, extremely detailed, anime,a pretty woman, longhair, black hair, blue eyes, beautiful breasts,Peaceful,fantasy, upper body,purple sky looking at viewer <lora:hairdetailer:1> <lora:flat2:1>