悪役令息になんかなりません！僕は兄様と幸せになります！

Despite being born into an aristocratic family, Edward was rescued by his uncle when he was half-dead after being abused by his parents. While still a young child, during the time his health was recovering, he remembered vague memories of his previous life and realized that the world he was in was the world of the novel he had read in his previous life. Moreover, in that novel, Edward is a villainous son who kills his stepbrother in the future and ends up dying himself. Edward, who was a favorite of his stepbrother in his previous life, does not want such a future! Therefore, he decides to be a good boy! Unlike in the novel, Edward builds a good relationship with his stepbrother and the people around him, however, there is something suspicious going on around him?