Agent Six is a powerful, but not that intelligent, combat agent for an evil secret organisation. His life takes a turn when his bosses send him to a fantasy world.

Now in command of his own unit, Agent Six sets out to fight the enemy the only way he knows how: by being the biggest jerk he can be.

When the army need to clear a tower controlled by powerful demons, the only man for the job is the sleaziest, nastiest soldier they have: Agent Six.

Six's crew are tasked with the toughest job in the army: battling the forces of Heine. She's a powerful enemy, but there's no limit to how far Six will go when he gets the upper hand.

Six is run out of town as the Demon Lord's army march on the city, but he's anxious to help his old friends fight.

Rose, Grimm, and Snow can barely keep the Demon Lord's army back when they invade the city, but no one knows if Six will help them.