Kim Taehyung, a CEO of Kim's group,a billionaire of South Korea. Kim Jisoo's hidden husband. Kim Jisoo, a girl who wants to be a fashion designer. a student of "Cha university". Kim Taehyung's hidden wife. Chou Tzuyu, Kim Jisoo's stepsister. A student of " Cha university". wants to be a fashion designer. Cha eunwoo, an owner of " Cha university" but nobody knows him. A best friend of Kim Jisoo. Wants to be a fashion designer. Please don't hate idols.