Following his battle with Nomi no Sukune the 2nd, Baki's half-brother, Jack Hanma challenges the warriors of the underground arena to take on his original fighting style of "Goudou": The way of Biting! Fascinated by Jack's relentless pursuit of more strength, the warriors clash against Jack and his fearsome style. Just what will be the outcome of this blood-ridden contest of purity?

• Baki-Dou (2018) (Prequel)