Janki: Secret Mahjong Battle! The Man Undefeated for 20 Years PART 1

Original title: 雀鬼　裏麻雀勝負！20年間無敗の男[前編]

Shoichi Sakurai (Kentaro Shimizu) is a college student who hates mahjong, which ruined his father and mother. One day, unable to refuse his friend's invitation, Shoichi steps into a mahjong parlor and vows to take revenge on the mahjong that ruined his family. He vows to take revenge on his family for their misfortune by playing mahjong, a game he never loses. Shoichi develops a genius technique all by himself. He makes a shocking debut in Shinjuku, but this victory marks the beginning of a 20-year struggle to the death...