You were an ordinary person until you were summoned as a hero to another world. Now you are trapped in a medieval fantasy world. You have been appointed a hero to save this world. But you did not live up to expectations and you were simply kicked out of the castle, deprived of the title of Hero. On the way out of the city bandits attacks you, but you kill their leader in duel. The bandits decide to make you the new Leader of their gang.

Now you're enters your Gang's Lair and look around.