This is is a Japanese-language book or magazine devoted to fashion or cosplay ("COStume PLAY"), and may contain actual sewing patterns for creating your own clothing/costumes, as well as photos of completed outfits.
For hardcore goth and goth-loli dressers, this thick, mostly color magazine features shops carrying materials, finished clothing, and accessories. This volume includes a special article on goth-loli and the world's fashion. A sheet of stickers featuring Trevor Brown's gothic art, as well a sewing pattern to make your own outfit, are included.