真壁刀義
is a special episode, with the "Garo" production team collaborating with New Japan Pro-Wrestling to commemorate the 10th anniversary of the "Garo" franchise. It features Hiroshi Tanahashi as Gouki and Togi Makabe and was broadcast on TV Tokyo on July 1, 2016. Taking place between "Makai Senki" and "Makai no Hana", Kaoru tells a young Raiga the story of one of the first Makai Knights to bear the Garo title: Gouki.