Mahjong Hishō-den: Naki no Ryū

Mahjong Hishō-den: Naki no Ryū (麻雀飛翔伝 哭きの竜) is a mahjong centric manga series by Junichi Nojo, which was also adapted into an OAV between 1988 and 1990. It was also adapted into four video games, released between 1990 and 1995.

Plot
The protagonist, Ryuu or Crying Dragon, is a mysterious man who often plays games with the gang members. He only wins by "ron," a move in which one needs to wait for the opponent's tile to complete the win.