I Transmigrated as a Fake Crown Prince and Took Great Sheng by Storm

The modern world's top agent, Sheng Tian, unexpectedly transmigrates. When he opens his eyes, he is in the Crown Prince's bridal chamber, and the original Crown Prince has just breathed his last! The panicked Crown Princess discovers that Sheng Tian looks exactly like the Crown Prince. To protect her entire family, she forces him to take the groom's place. From then on, Sheng Tian becomes the Great Sheng Dynasty's