The protagonist is unexpectedly transported to a fantasy world, and possesses the body of the Demon King, forced to handle his daily affairs.

One day, the Goblin Queen reports to the Demon King, that the goblin tribe has been attacked by the human empire.

The player must help the goblin tribe uncover the truth and repel the invading human army.

Thus begins an adventure in this other world.

Rescue the royal family imprisoned by the villains

Build a friendship with the harpies

Help the trapped adventure sisters

Punish the evil, sexy witch