First Grade Snake Concubine

I was saved by the same person for three lifetimes, and my heart of gratitude never faded away. In this life, he cultivated into a human form, but he became a pawn about to be destroyed in the palace battle. In order to repay the favor of saving his life, he went to the palace without hesitation and helped the men of this world conquer the world. She was like a poisonous snake in front of her enemies, and she showed her viper-heartedness to the fullest, helping her man win in the overt and covert fights in the harem. In front of her man, she is shy and gentle, domineering and considerate. Only one person can understand the tenderness of the Snake Concubine...