High end Japanese mini dress from Shibuya, Tokyo

Originally bought from a high-end clothing shop in Japan(Shibuya-ku, Tokyo); The bears it's brand "Spiral Girl" on the fabric design on the dress. While the dress stated "Free Size" (which is a "One Size Fits All/Most" in terms of size in the US), please keep in mind that this dress was created and purchased in an East Asian country. It runs true to the size of a US small or extra small.