A special Garo episode, with the Garo production team collaborating with New Japan Pro Wrestling to commemorate the 10th anniversary of the Garo franchise. It features professional wrestlers Hiroshi Tanahashi and Togi Makabe. 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.
Unfortunately the movie GARO: Ashura is not yet available on HBO Max.
| Writing | Yoshinobu Kamo | Writer |
| Directing | Yasuhiro Matsuda | Director |
