Jae-Seong Kang, hero of another world is murdered on his anniversary of slaying the demon lord. Upon being told that he was...quote 'simply too heroic', he vows to become the "pure epitome of evil." But upon being reincarnated into the last novel he read - a typical romance harem -, he decides to just lay back and watch the show while pulling some strings from the side-lines. But when you attract unwanted attention...it gets harder to lay low and watch with your cola and popcorn...