Kokuryu

Kokuryu is a giant Horror with the appearance of a black dragon with two large red horns, exists within the inner Demon World of Barago.

KIBA: Dark Knight Side Story
TBA

GARO: Makai Senki
The one that appeared in the space generated by Sigma Fudou's technique. In addition to biting and hitting the body, the body became a rotating ball with a blade and attacked to fly it. It disappears by destroying the ball with the tag.

His relationship with Kokuryu in the KIBA: Dark Knight Side Story is unknown, whether this setting is exists or not.

CR Dark Knight Side Story
Kokuryu appear in pachinko game CR Dark Knight Side Story.

CR Makai Kessen Gaoh
Kokuryu appear in pachinko game CR Dark Knight Side Story, confront Kiba and Yaiba.