The Extra of My Own Novel?

Lucas, a small-time newbie writer, who in hopes of earning some pocket money, may or may not have stolen a few key elements from different popular novels. But, it leads to him writing an absolute piece so sh*t that even the website he wrote it in deletes his account. However, opening his eyes, he finds himself in that same novel, and now reality comes to haunt him as his absolute garbage writing becomes his everyday life. Lucas thought he could easily reach the pinnacle of his with the various cheat items that he knows by being the author of the novel. *Ahem*(spoilers ahead) Plot twist It turns out he is a Demon, a noble at that but the family he belongs to is seen as an eyesore by other noble families. Now, the pressure is on him as he has to grow strong in this sh*t show of a world and also hide his demon identity because if the truth is known not only humans, the whole world will turn against him.