Seo, who was visiting Korea, found a job as a photographer to help promote a new girl group know to be as Gfriend. Recognizing one of the members as her closest friend back in her childhood, Seo soon had gotten to know everyone from the group on a personal level. It was unfortunate that Seo had to return to America for her job, but after a year's worth, Seo managed to come back to Korea along with a surprise in stored for the six members.

you're Kwon Yuri's younger brother . you decided to come to korea to become an Idol  what will happen along the way ? will you find love ? will everything end up just as you expected? will you be able to balance everything?