The Law of Bainin
Tetsuya pleaded Boshu, a professional gambler, for advice. He did what he was told and went to play mahjong without a penny in his pocket. However, he was quickly confronted by a trap set for him by a gang of professional cheaters. Tetsuya went through a merciless baptism into the world of gambling… and felt the tough reality with every bone in his body.
Aired 14/10/2000EP 2 - The Law of Bainin

Gambler Densetsu Tetsuya
In the year 1947, the people of Shinjuku are down on their luck. With little money to buy food or necessities, some resort to gambling in order to survive. Traveling Tetsuya chooses to spend his time at Mahjong parlors where he is wiping the floor clean with his adversaries. However, when Tetsuya meets the intensely skilled Boushu-san, he realizes that his skills are still lacking.
(Source: Anime News Network)