The "Great Grapple" is an international cross martial arts tournament that is held only once a year. It is an event organized by an individual known only as "K", the invincible undefeated emperor. In the previous years it was held, it used to be a suitable gathering event for martial artists who pride themselves as the world's strongest. However, K was always the champion. As a man who never appeared to the public, K was feared by many as a "servant of God". However, the Great Grapple continues to be held each year without fail. This year, only nine fearless martial artists applied for the tournament. There are those that had been lured in by the prize money. And then there are those who fight for their pride as martial artists.