Once upon a time there was a barbaric kingdom "Brolandia" and everything was fine, but only at some point from the dungeons, which stood abandoned for hundreds of years, monsters began to come out, and since the heroes were long gone and no one cleaned the dungeons, the monsters began to terrorize close to the dungeons of the city.

The king can't stand it and orders his young son "Bro" to go to the province and defend the lands and prove that he is worthy of the throne! The story begins…