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.
Beautiful photos, designs, patterns for making your own gothic-lolita outfits, and plenty of advertisements for gothic and gothic-lolita fashions (including some uniquely Japanese takes on the style). This volume provides spring and summer patterns for making your own goth-loli outfits, and also a guide to making your own art clay silver accessories.