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.
Learn more about the art of cosplay and your favorite cosplayers with this new issue of COSplay MODE Magazine for September 2023. This issue features a range of articles on various aspects of crafting and wearing costumes, as well as featured articles about popular cosplayers.