High School DxD: The Dragon Second's Awakening

"After being struck by an attack from Trihexa, Issei Hyoudou wakes up in the past, right before the start of his second year of school. With his powers fused and only a month to adapt to his new body, Issei decides to abandon his old habits to protect what he loves most. However, acting from the shadows while Rias Gremory watches him won't be easy. This is the beginning of the story of the human who possesses the power of a Dragon God and seeks to rewrite his own legend." "The future is no longer set in stone." "This time, the Dragon won't just roar... he will bite." Disclaimer: "I do not own the rights to High School DxD. I am only using its characters to create my own story. English is not my native language, so please excuse any mistakes."