Lovers of the Red Sky (Korean: 홍천기; Hanja: 紅天機; RR: Hong Cheon-gi) is a 2021 South Korean television series starring Kim Yoo-jung, Ahn Hyo-seop, Gong Myung and Kwak Si-yang. It is directed by Jang Tae-yoo and written by Ha Eun. The series adapted from the novel of the same name written by Jung Eun-gwol is a fantasy romance historical drama about the only female painter in fictional era Dan dynasty, who was briefly recorded in the historical records. It premiered on SBS TV on August 30, 2021, and aired every Monday and Tuesday at 22:00 (KST) for 16 episodes.