The Hero's System: Return of an Extra Villain

(Third Person Limited PoV.)Betrayed by his fiance, mocked by his siblings, and disowned by his familythat was Lev's fate.Even when he regained memories of his life on Earth, where he realized that his world was strikingly similar to his favorite novel, it still didn't help him change anything.How could it be?Because the protagonist of the story had already achieved his happy endinggaining a beautiful wife and living a blissful life. Meanwhile, the world continued to move forward.What do people usually do with a novel that has ended? They tend to stop caring about the world within it, even if it falls into ruin, especially if the novel isn't particularly popular.The world Lev Razanov lived in shared a similar fateit was destroyed.[Hero's System successfully installed.][Critical condition detected.][Do you wish to return to the past?]Lev was given a chance to return to a time when the story of his favorite novel had just begun.Although he was destined to become an extra villaina pawn of the pawns serving the real villain, he vowed to end the lives of anyone who had caused him suffering: his siblings, his fiance, the main character, or anyone else.[Hero's System inherits your desire from your life on Earththe desire to do good.]"Who said killing your enemies is an evil act?"