The introduction of Desert Punk (Sunabōzu), where he is manipulated to fight a gang by Junko. After Desert Punk won, Junko takes all the credit and is responsible for the first failure mission of Desert Punk.
Desert Punk and Rain Spider (Amagumo) are hired by the same company to collect debt of a family of an old man and his daughter. Rain Spider wanted to sell the daughter as the old man had no assets to which Desert Punk disagreed and they pit themselves in a duel for it.
Junko asks for help of Desert Punk and the Machine Gun Brothers to assist her in a machine. Little did Desert Punk know she upset a man with a tank and has to destroy it to survive the day.
A sniper tries to hunt Desert Punk considering the reputation he would gather defeating the great desert demon. After the battle is won by Desert Punk, the assistant (Kosuna) of the sniper ditches her old master to join Desert Punk, but is declined.
A village that expects that is soon to have source of water hires Desert Punk to defend the village against expected raiders. In the meantime, Desert Punk lowers the villagers morale by overconsuming their food and water.
Desert Punk defeats the raiders, but is taken outside of the village while sleeping and left on his own with little food and water. He then tries to return to the village for payment but finds himself on the verge of death, only to be saved by the Machine Gun Brothers.
After being saved by the Machine Gun Brothers, the Desert Punk returns to his hometown, where he finds himself a young new apprentice he can take advantage of.
Desert Punk and Kosuna have a new job: to destroy a stone, believed to be cursed. The only problem is, the curse seems to be real, and everything that can go wrong, does go wrong.
Junko promises the Desert Punk a ten million yen reward and Desert Punk can't resist. He leaves, followed by his apprentice, Junko and Kaizuka, the old treasure hunter, towards the ruins of a city. There, a menacing ancient sentinel awaits them.
Desert Punk helps a treasure hunter retrieve a fortune that he lost ten years before. But a seemingly unknown creature is guarding the treasure.
After Junko double-crosses Desert Punk, he takes her prisoner and locks both of them inside a secret desert hide-out. Angry, Junko knocks Desert punk in the head, and now he can't remember the code to let them out.
Desert Punk has been hired to save a young girl from the legendary Night Mat Shimada. But the girl turns out to be more of a handful than the Desert Punk can handle.
After Desert Punk and Kosuna save a fellow good guy named Stryker, Desert Punk tries to take advantage of him in order to make lots of money.
After Kosuna has a near-death fight with an enemy mercenary, she decides to arm herself to the teeth. But she still has a lot of training to do and an old wise arms dealer will teach her everything.
An old childhood friend of Desert Punk, Natsuko, returns. Meanwhile, Desert Punk confronts the Machine Gun Brothers again.
Desert Punk must protect a secret weapon of mass destruction from Rain Spiders' men.
Junko runs into Desert Punk in the middle of the desert, being chased by a sniper. The sniper is wearing a state-of-the-art desert suit and seems to have a fixation on the lovely Junko.
Tech manages to kidnap Junko, but Desert Punk is on his trail. That is until three other men appear and start shooting at all of them. Now Desert Punk must join forces with Junko's kidnapper, in order to survive.
After Junko is arrested by the government, Desert Punk teams up with the Machine Gun Brothers to find the missing Natsuki.
Desert Punk discovers that Stryker, Natsuko and many others are all part of the Underground Mercenaries, a group taht wants to overthrow the government.
With Desert Punk dead, it is up to Kosuna to take his place when the Kawazu Gang returns.
Kosuna is hired to guard a secret meeting of the Underground Mercenaries Union.
Kosuna accepts a new job from Natsuko, this time to guard a secret laboratory. On the way there, they see a mysterious cloud appearing on the horizon.
With the thought of Kanta being dead quickly erased from her mind, Kosuna sets out to prove herself as a true mercenary one last time against her old master. Kanta reveals that Kaizuka may not be all that he seems to be, and the Underground Mercenaries are destroyed. Kosuna chooses to forget about her past and Desert Punk, knowing that is the only way she can truly become Kanto Desert's greatest power babe.