What it takes to be Single

Claire, who's been single for a long time because of her childhood friend Hyujin. Hyujin, who suddenly disappeared and appeared beside Claire's apartment didn't make her doubt and still recognized his face. However, the moment Hyujin walks ahead, she realized that Hyujin forgot about her. What will happen to Claire? Will she give up her feelings? Fight for it? or just moved on and find another one that can accept her feelings back? Let's find out!