My Spoiled Wife, Bad President

The story unraveled with a brother born to the same father and a different mother does not want to marry a fiance who is reportedly ugly and impotent, his biological mother kneels before him: "Your sister deserves better, you help her." With great disappointment, he replaced his married brother. On his first night, a handsome man frowned at him: "Too ugly."
What will happen after he replaces his married brother?