Reasons Why You Shouldn't Have a Possessed Person as Family

“This is the only way we can survive, Rene! Please, you have to play the role of my sister properly. Got it?” Rene Pierce, the youngest son of the Pierce family, ends up marrying the Crown Prince in place of his runaway sister. Having safely completed the wedding, he planned to feign illness little by little, fake his death, and escape the Imperial Palace, but there's always someone better than you. When he opened his eyes, Rene was naked in bed with Archaints…. He was caught being a man, and he was caught that his sister had run away. He resigned himself to the fact that his whole family was now doomed, but something was strange. Why is the Crown Prince acting as usual, calling him 'dear...