Actor Lee Sang Yi has released an episode of the set.
Lee Sang Yi posted an article and a photo on his instagram on July 20, "What happened last week."
The released photos included Lee Sang Yi on the set of the drama I've Goed Once. Lee Sang Yi pranked with Lee Cho-hee, who is breathing as a lover, and sf9 Kang Chan-hee, who made a special appearance, and Umji, with a spleen look at the camera. Lee Sang-yeop and I showed a warm atmosphere with only the back view.
The netizens who watched the post responded such as "I have to be happy with multiple couples" and "Yoon Hyung-jae Chemie is fun", and Lee Cho-hee commented "I am a sister" and laughed.
About SF9
SF9 is a South Korean boy band formed by FNC Entertainment and the company's first dance boy group. Consisting of nine members, the group debuted on October 5, 2016 with the release of their first single album, Feeling Sensation.
 Wikipedia