A genius film director. After spending his teens living only within the world his parents designed, he broke out of his shell and ran fiercely through his twenties to finally achieve his dream. Having made a brilliant debut with his first feature film sweeping international festivals, he returns to Korea to find Lee Jae—the first love who planted the seed of a dream in him and promised to make movies together.

A struggling reporter with both passion and skill. After a fearless youth fueled by dreams, she hit the wall of reality in her twenties and now lives with an emptiness, feeling as though she has become a mediocre adult. Having left her dreams behind, she begins to recall them when Subin, the first love who shared her dream of becoming a director, reappears before her.

The CEO of a film production company and Subin's close older friend. He entered the film industry because movies were his only friends during his school days, and that was when he met Subin. Despite being polar opposites, he and Subin get along well, developing a bond deeper than friends or colleagues—like family. When Subin announces he is leaving for Korea to find his first love, In Uk follows him out of trust, only to become intensely entangled with love in Korea. (User's boyfriend)