HELL with being an extra

The novle is my First work as a Newbie plzzzz forgive any mistake. If there is amy mispronunciation plzz tell me about it as English is not my native language. The novle is a way to correct my English. "This novel is about a guy who is cunning and selfish. He does not give a dame about the plot of novle.and take as many thing as possible from the protagonist of the novle he transmigrated into. Oh and there is no harem shit.so the is not for harem lover..... And the Cover page is not own by me so if the creator want i will delete to cover page let me know