D.Gray-man - Artbook - Gray Walker

D.Gray-Man - Artbook - Gray Walker (D.Gray-Manビジュアルブック Gray Walker, D. Gurē - man bijuarubukku gurē wōkā) is an official D.Gray-Man artbook by Hoshino Katsura. It was originally slated for release on September 2nd 2016 in Japan, but it was postponed. No new date has been given at the moment.