The legend once said...By the time Than Tru Troi (the God that holds up the sky in Vietnamese mythology) conquered the world, Nghe Than (the mythical half-lion-half-dog creature) was born and soon became the most devilish creature of all; yet it was then defeated by the Three Goddesses of Buddism and divided into two separate parts: the chaotic and the moderateThe chaotic part - the "Chaos" was turned into the Four Spirits of Hellwhile the moderate part - the "Modesty" became the Four Guardians of Heaven.Gradually, the original story of Nghe Than kept changing among generations and became a fague conception, which later on was defined as Fate.
Deux ans après le dernier tournoi Kengan (tournois de Baston Underground et illégaux), nous suivons le parcours d'un jeune talentueux pratiquant d'arts martiaux, Koga Narushima, qui a envie de se tester et qui va vouloir participer à ces tournois voir jusqu'où il pourra aller...