This is based on a true story, recited, directed by the real Sakurai Shouichi, who has now retired from the underworld mahjong. An elite bureaucrat clashes with Sakurai, a lone wolf, wishing to hire him as rep player. However no matter the money offered, Sakurai will not respond to any offer...

"Shin Janki 1: The professional rep-player, who was undefeated for 20 years"