

Since the Edo periods of Japan, gladiator arenas exist in certain areas. In these arenas, wealthy business owners and merchants hire gladiators to fight in unarmed combat where winner takes all. Toki Taouma, nicknamed "Ashura", joins these arenas and devastates his opponents. His spectacular ability to crush his enemies catches the attention of the big business owners, including the Nogi Group chairman, Nogi Hideki.
(Source: MangaHelpers)
12 Episodes Total
Salaryman Kazuo Yamashita is unexpectedly summoned by the Chairman of Nogi Group, which leads to a new assignment in the underground world of Kengan Association.
For his debut Kengan match, Ohma calmly faces Yoshitake Real Estate's Lihito, an arrogant fighter with a superhuman vice-like grip.
Ohma Tokita is battle tested and faces a bigger threat in his next fight in the kengan matches, in the form of a highly skilled pro wrestler.
Chairman Nogi declines Ohma's representation in the upcoming "Kengan Annihilation Tournament" but suggest a roundabout route to enter the Tournament with the assistance of Yamashita.
After the immediate Qualification of 28 Fighters, The remaining 100+ Fighters including Tokito Ohma are locked in a room to fight it out for the remaining 5 spots.
Backstage Strategies, Sabotage and Scuffles commence in the Luxury Liner following an open ended Announcement from Kengan Association Chairman Katahara Metsudo.
The Luxury Liner arrives at "Ganryu Island". The corporate Presidents generate 9 digit numbers on a machine to decide the Brackets and Pairings of the Tournament Fights.
The First Match of "Kengan Annihilation Tornament" pits Jujitsu Prodigy Imai Cosmo against American Heavyweight Goon Adam Dudley.
With his Humongous Mass and Freakish agility, Depraved Himalayan Warrior Kono Haruo Fights against Riot Squad Captain Akoya Seishu, who stands steadfast with his impenetrable defense and an underlying desire to execute "Justice".
The Malicious Assassin Raian Kure from the Infamous Kure Clan Battles against "Baritsu" practitioner Mokichi Robinson, who is being watched by his worrying sister Elena.
Ohma Tokita makes his debut in his first round of the Kengan Annihilation tournament against an agile and unorthodox opponent. Setting the stage for what dangerous opponents Ohma Tokita may face if he advances.
Toyo Corp continues its intimidation and rule bending behind the scenes. Ohma has flashbacks of his Father Figure Niko. Battle between Mercenary Muteba Gizenga and Psychotic Meguro Masaki comes to an end.