Mahjong Demon 5 Final Edition: One-man Retirement Match

Original title: 雀鬼５　完結篇　ひとりだけの引退試合

Shoichi Sakurai meets his girlfriend's father, the legendary drug dealer Mo. This leads to the two of them repeatedly competing against each other, but Mo eventually passes away. Sakurai, who regrets having taken his life, receives news of the Japan Championship and decides to retire after this match. Thus, he faces his final match, but...