Da Qin: I, the Number One Killer, Became a Maid

She was the greatest female killer in the world, but she died in an unknown place due to the betrayal of her only friend. When she woke up, she found that she had become the maid of a concubine who had been banished to the cold palace? It was quite awkward at first, but it also kept us away from the intrigues and intrigues in the palace. Slowly, she fell in love with the quiet life in the cold palace. However, the good times did not last long, and the prince became more and more interested in her, the maid beside the abandoned concubine. The more I try to hide it, the more things backfire and become more complicated...