Rebirth of Another World Against the Sky

After being reborn, he had no memory. He forgot the people he wanted to remember and the people he should hate. Even if he was reborn, what would happen? Let's start over in life. There is a driving force behind everything that happens around us. How could he, without any strength, escape from a situation that was carefully set for him? Let's see how the protagonist cultivates his mind step by step, breaks through the many conspiracies, and finds the truth about his rebirth!