Kimetsu no Yaiba Related Books 4-Book Set Demon Slayer Corps Observation Record Demon Slayer Corps Observation Record 2 Novel: The Wind's Guiding Light Kimetsu no Yaiba Gaiden (Side Story) The Wind's Guiding Light has a cool cover like the one in the image, in addition to the regular cover. Gaiden has a small hole of about 1mm on the first page (not on the manga pages), so it is listed as having some scratches and stains. There seems to be no other damage, but it is used, so would you be interested if you understand?