The second son of Kazutaka Hyoudou, a spoiled child who loves gambling as much as his father. Having only been treated falsely throughout his entire life, by people who only wanted to use him for his money or pleased him to avoid retribution, Kazuya does not understand human bonds and believes that friendship and love are simply lies that will fall away at the last moment. He also seeks to become an acclaimed author, believing that, this way, he will get true acceptance and praise, not merely humored by people who hate him for his father's sake.

After Kaiji disagrees with his outlook on life, he sets up a "Salvation Game" to put their contradictory worldviews to the test and see which is true, and which is false.

~! After Kaiji defeats him in One Poker, he falls from the great height of the building as the condition of the loser, but Kaiji, Chang, and Mario manage to save him from the fall as an act of mercy. He is shown to be unconscious after they leave him to escape with the money he bet. Enraged with his son's condition and the loss of 2.4 billions Yen, Kazutaka commands the blacksuits and Endo to capture Kaiji, Chang, and Mario to get the money back. !~

Kaiji and Kazuya face off against each other in a high-stakes game of "One Poker," a modified version of standard poker. Kazuya sets forth a gamble of 2,000,000,000 yen! How will Kaiji survive?! 
Chapter count for this arc is 101-254 in the original tankoubon.

Itou Kaiji, now free of debt but without a penny is leeching himself in Mr.Sakazaki's new house, despite all the flirtings (extreme torment for Kaiji) from Sakazaki's daughter, Mikoko. Sakazaki attempts to kick Kaiji out, even by offering a farewell 'we never knew each other' money of 3000000 yen. While Kaiji ponders himself on the decision, he is visited by Miyoshi and Maeda, two of his 'allies' he had saved from the last part of the series.

A direct sequel to Tobaku Datenroku Kaiji, picking up immediately after Part 3 ends. After his tremendous victory in 2-Player Mahjong against the villainous President, Muraoka Takashi, Kaiji is being driven home by Kazuya, the son of Chairman Hyoudou. However, in the car, Kazuya asks Kaiji if he would be interested in one more gamble that night, and Kaiji accepts. What surprises lie in store for our dear Kaiji, and what will the gamble be?! 
(Source: batoto.net)

A tribute manga book to the author Nobuyuki Fukumoto with the cooperation of Fukumoto himself. All characters shown in this series are from previous manga Fukumoto has published.

Kazuya Hyoudou