An ordinary thirty year old salaryman, Kim Seung-soo. One day, he is spirited away into his old game ‘Darkworld’, and…… In the game which was incomparable to any hardcore difficulty, no, in the world that has now become reality, strangely familiar characters appear! ‘Wait, are they… my sub characters? But, are the screws on their heads loose? Kim Seung-soo reborn as Bloodknight, and his Demonic companions’ Darkworld odyssey!