Today the Imperial Concubine Is Also Using Herself to Raise the Enemy summary:
X [Sulky and Unhappy] "I swapped bodies with my mortal enemy, only to find out she's pregnant?!" Concubine Qiao, who was forced to run the ball for Lady Ning, is furious every day. What's even more outrageous is that this cunning and deceitful lady-in-waiting is secretly in love with me?