Read manhwa Contract Concubine / El Contrato De La Concubina / Hugung Gyeyak / Selir Kontrak / 愛妃，你的刀掉了 / 후궁계약
One day, Yesuh, a famous assassin, receives a strange request from a suspicious man. She’s never received such a ridiculous request before, but after hearing how much the odd man was willing to pay, she decides to bite the bullet and take on the request.
However, upon starting the mission, Yesuh is shocked to find out that her suspicious employer is actually–?!