Iron Wok Jan!

This year in major international competition of Chinese cuisine, the presumed winners are assured of victory. Indeed, a major sponsor is behind them. These are the ultra-powerful and ultra-wealthy 13 dragons, mostly linked to the Mafia. About this competition which is of prime importance, they control the judges, and put pressure on some competitors worrisome. However it was not counting on the arrival of a cook who fears no pressure.Known in the culinary world for his pranks and his eccentricity, he was once involved in the murder by poisoning. After disappearing for years in China, where nobody knew what he was doing, Jan is back!

Sanbanchi, a mahjong parlor in Ueno, is an old-timer and has a reputation for its delicious homemade weekly menu. Jan Kurogane, grandson of Mikijiro Kurotetsu, visits Sanbanchi to play mahjong with the owner, Kingo Sanbanchi, an acquaintance of Mikijiro. Kingo promises to let Jan spar against him if he achieves one year without losing a match. Meanwhile Otani, the president of the All Mahjong Road Federation, tries to destroy Sanbanchi by sending in various mahjong assassins. There is no end to the number of opponents he faces, regardless, Jan continues to defend his undefeated record by any means necessary.

When Jan learns of the existence of the mysterious man who drove his grandfather to suicide, he teams up with his former rivals, Wang, Suguru, and Kanna, to hunt him down. However, Jan is framed and accused of a murder he didn't commit. In order to lure out the mysterious person and prove his innocence, Jan and his friends start a mahjong VR tournament at Japan's largest theme park.

Gyoukai Go, who lives in the Kowloon district of Hong Kong, is known as "Reverse Wuxing," as he specializes in cooking dishes based on traditional Chinese medicine, which kills those who eat it. One day when a job comes in for him, he plots to assassinate his target with medicinal cooking! (Source: Kadokawa, translated)