Demon Slayer: Kimetsu no Yaiba by Koyoharu Gotouge - Complete Set (Volumes 1-23) Mugen Train Arc Bonus: Zero, Demon Slayer Corps Observation Record, Katahane no Chō (Butterfly of One Wing) ◌ Volumes 1-23 come with clear book covers. ◌ Katahane no Chō is unopened. ◌ Purchased at a bookstore and read a few times. Stored in a bookshelf with a window, and there are no noticeable scratches or stains, but please refrain from purchasing if you are concerned. Please read the profile before purchasing. Instant purchase is OK.