Contract to marry a male concubine

For true love, Rong You's younger sister escaped from marriage.For the sake of the family, Rong You simply married for his younger sister.Proficient in all kinds of piano, chess, calligraphy and painting, dancing with knives and guns is no problem, Rong You, Princess Xuan, is naturally flourishing.But... the queen mother urged Princess Xuan to spread her branches as soon as possible?I'm sorry, he can't sit still as a substitute concubine.For the sake of the heir, the queen mother urged the marriage.For the sake of purity, He Lianzhen compromised.He lied to the empress dowager, the emperor brother, and the officials to the quack, and He Lianzhen would help the male princess deal with the mess from time to time.But... I heard that the princess wants to escape?After signing the substitute marriage contract, where do you want to go, princess?