A posible side story or sequel related to Howl of Gray Wolf and Tiger of Freedom where there is a war against the Chaos Tribe led by the Three Beast Kings (三獣神 カオス族)- Dragon, Durahan, and Ripper.
- Mostly unknown. Shiranui may have awaited for this moment and play a leading role in such a war.
- The Kings may have names such as Saxon, Charlemagne, Bartholomew, Gao (高), Balkan, Odessa, Pogrom
- Gray Wolf, Basilisk, Gawain and Centaur have ancestors that served with human feudal lords against such evil creatures.