The Lord of the Castle Is Not Happy About It.

The demonic power invades and the lost castle is restored to operation. Who is driving all this? How can I, an ordinary ordinary person, survive in this whirlpool? The goblin clan, the creatures in the thorn jungle, the prisoners in the skull dungeon, the remnants of the ancient ruins, the ancients in the ice cave, the soldiers in the corridor, the demons in the tower, the empty throne, what happened to everything? Could it be that he really traveled through time in the game? But it's so real! Could it be that reality was discovered and turned into a game?