Who is Mr. Kim? Ren dreams of modeling for his favorite label, ‘House of Kim.’ Only there’s one problem. The identity of the designer behind one of the biggest fashion empires in all of Asia is almost virtually unknown. Can Ren uncover the real identity of Mr. Kim and make his dreams of modeling for House of Kim come true?

Every idol has secrets. Ren’s dream in life was to become a stylist, but under the influence of his parents put his dreams on hold and become an educator for the deaf but decided to go back to college and secretly pursue his degree in fashion. As part of his degree, he is required to perform an internship, where he meets DREAM, whose main goal is to sabotage his life. After an accident almost destroy's a members' career, can Ren and the others achieve their hopes and dreams, or is reality a h

"The joy is in the building, the constructing, and the creating of the sandcastles, not that they last. Don’t you think?” With flailing health, Aron Kwak travels to Busan and experiences a whole different world.