Reverse Dungeon

[Tutorial will begin. Create a dungeon and defend against monsters.] A world where demons rule the continent. I was possessed into the game <Reverse Dungeon>, where I had to play ‘Dungeon Defense’ to survive. As the most useless character, Prince Ian. Jeong I-won, a hardcore player of the game, tries to gather 4-star heroes to defend the dungeon at all costs. Then one day, he encounters a character he could never meet in the game, The 5-star hero ‘Holy Knight Keith’. “You are one who follows the will of God. It is an honor to meet you here.” Keith? This character shouldn't be appearing in Ian's route. Because he, like Ian, was a playable character. ‘Wait, he’s in this world?’ Th...