Touhou Gairai Ihen ~ Strange Creators of Outer World.

The official bi-annual Touhou magazine featuring various interviews, showcases, previews with ZUN, the Tasofro crew and his dedicated artists. Also a comes with a section for non-canon doujin comics.

More details on Touhou Wiki:
https://en.touhouwiki.net/wiki/Strange_Creators_of_Outer_World