The soul traveled to a boy from an imaginary dynasty. He was poisoned since he was a child and his body was weak. There is a half-brother who met him outside the Great Wall when he was a child because of medical treatment. He returned to Beijing when he was twelve years old. After meeting a bullied boy in the backyard of the palace at the age of twelve, he ate and slept with the boy. On his sixteenth birthday, his brother returned to the capital from beyond the Great Wall, and the boy who grew up together became the emperor. The story begins!