So I Married the Anti-fan (Korean: 그래서 나는 안티팬과 결혼했다) is a 2021 South Korean streaming television series starring Choi Tae-joon, Choi Soo-young, Hwang Chan-sung, Han Ji-an and Kim Min-kyu. It is based on the 2010 novel of the same title which was made into a webtoon and was also previously adapted into a Chinese film.^[2][3] It aired from April 30 to June 19, 2021 on Naver TV, with simultaneous broadcast through V Live and global platforms iQIYI, Viki and Amazon Prime Video in Japan.^[4]

Hoo Joon (Choi Tae-joon) is a top South Korean singer. Lee Geun-young (Choi Soo-young) is a magazine reporter. The two both attend a club’s opening night. While there, Geun-young witnesses Joon's bad behavior and accidentally vomits on him. She loses her job and is convinced that Joon is behind her being fired. She demonstrates in front of Joon’s management office, where she garners media attention and becomes his "anti-fan."

A producer approaches her (and Joon) about participating in a reality TV show about a star living with his anti-fan. When filming begins, Joon and Geun-young have a rocky relationship that evolves as they get to know each other better.^[2]

So I Married the Anti-fan is a pre-produced series.^[2] The first script reading of the cast was held on August 20, 2018, and filming began the same month.^[18][19]

The release of the series was delayed for three years due to difficulties in finding a television network to broadcast it. Adding to that, the two male leads, Choi Tae-joon and Hwang Chan-sung, started their military service not long after it had finished filming, so there were potential difficulties in promotional activities without them.^[20]