The Brutal Killer Martial Arts Tournament

In order to get enough money to get an airplane, Mink enters a tournament to win 50,000G. However, things may not go as planned as Saucer, Vena, and Damaru have all returned, with Mink as their target. But a new challenger known as Dug, the demon god's son, has arrived as well, also after Mink. Can Mink defeat all of these foes?