(구르미 그린 달빛)is a August 22 - October 18, 2016 TV series directed by Kim Sung-Yoon(KBS2 Episodes 18) South Korea.
Hong Ra-On disguises herself as a man and counsels men on dating. Due to a love letter she wrote for a client, she meets Crown Prince Hyomyeong ( Park Bo-Gum ). Hong Ra-On is unaware that he is the Crown Prince and Hyomyeong is unaware that Hong Ra-On is a woman. The Crown Prince becomes interested in Hong Ra-On. His eunuchs become aware of this and attempt to get Hong Ra-On to become one of them.