Japan has entered a new era called “Reiwa”, after moving past the Hesei Era on April 30th 2019. It is in this era, past the time of people like the legendary Akagi Shigeru and others like him who gambled on mahjong for a living, that a new gambler has arisen known only as “Yami-ma no Mamiya”, which in English might translate to “Mamiya of Mahjong's Darkness”.
24 years old and still single, bank worker Nakane wants nothing more than a little respect from his co-workers...and some popularity wouldn't hurt either.
Unfortunately, Nakane's awkwardness and lack of social media aptitude causes any attempts he makes to that effect to fail miserably time and again. But one day, his already bad luck takes a sudden turn for the worse...
The 6th part of the Kaiji series, picking up immediately after the end of One Poker Hen. One Poker has been concluded, with Kaiji emerging as the victor and claiming the 2.4 Billion Yen as a prize! But now, a new problem arises... how can the Asian Trio take it with them with Kazuya's Black Suits gathered right outside the entrance of the warehouse?!