I'm Really Not a Villain, You Believe Me

Chen Yan traveled through a book called Dragon King and became a villain who couldn't live more than a year. The only cause of death: the heroine Shen Ruoyou's favorability -100, triggering the arrival of the Dragon King. Looking at the future "god of death" crying so hard in front of him, Chen Yan became numb. In order to survive, he decided—— From today on, be a good person. Is the younger brother causing trouble? I'll mediate! Even when the English teacher asked questions, I stood up and answered with a standard Cockney accent! It's just... Why does the heroine look at me more and more wrong? That Dragon King protagonist hiding in the dark, why are you so anxious?