Mysterious assassin Mayo, a Japanese man in Malaysia, will kill anyone you want for just five dollars. Of course, he'll kill you for five dollars too, but doesn't that just even the score? With outcast allies at his side and formidable enemies against him, Mayo is the only one who can stop a conspiracy that stretches around the world!
The story is loosely based on the Three Kingdoms period, using both real and original characters and events from the historical period in Chinese history and folklore of the Romance of the Three Kingdoms.
Taking place in 1930s Japan and China, Kasumi Kenshiro (the uncle of the lead from Hokuto no Ken) is forced to leave his teaching job and settle an old gang rivalry with the help of his martial arts. Along the way, he meets the son of one his triad buddies, an old flame, and a mysterious old man who teaches him new techniques which will assist him in his quest.
Toki is a former Hokuto practitioner, and his incredible strength coped with his knowledge of the assassin art would be enough to call him devil.... But Toki's kindness and desire to help people prevent them from calling him devil, they instead can only whisper words akin to that of 'savior'.
199X, nuclear war has ravaged the planet. From the ashes, gangs have risen to take all the power from world governments. Justice has ceased to exist in this now lawless world. From the ashes of a desert a man appears. His name is Kenshiro, and he is the sucessor to the most powerful martial art in the world, Hokuto Shinken. This art attacks the foes insides, and makes him explode…
From Anime News Network Tatsumi Karasawa becames the owner of host club "Shinijuku Sokai" in only two days. He leads a group of amateurs who aren't afraid of gangsters, police, or so-called "professional" organizations. Without fear, he walks the difficult path leading straight to the top. In 2002 Heat received the Shogakukan Manga Award for general manga.