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.

Combat Agent 6 and his unit manoeuvre their way into a dangerous tower to acquire a treasure that can help them win against the all-powerful demon lord.

Combat Agent 6 and his unit gain the upper hand over Heine and the terrifying demon army; Snow plays clever when the strategist approaches her with a strange offer.

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.

Combat Agent 6 and his unit find themselves in a position of disadvantage against the demon army. While everyone gears up to escape, Snow makes a desperate attempt to make them stay and fight.