Tiancai Xiao Du Fei Zhi Yun Xi Chuanqi

She is the most menial ugly daughter of a medical family, while he is the noblest prince in Kingdom Tianning. On their wedding day, when the bridal sedan chair reaches the Prince's mansion, the door is shut, she has no choice but to enter the mansion alone. Unexpectedly, the ugly girl is actually a gorgeous genius medic! Accidentally, she saves an assassin on her wedding night and promises him: Bro, hurry and leave, I won't get you exposed. However, the assassin says: it's our wedding night, where do you want me to go? (Source: WebComics)