Rain. The sound of the sky's lonely tears. I never liked the rain; it was always too cold for my liking, and everyone I loved left in the rain. Meet Park Haneul, with a desolate past she tries to stay under the radar with her cold personality. But when she meets Taehyung, a funny, spontaneous, 4D boy, it seems like he just won't go away. Trying to push him away only pulls him closer seemingly. Making new friends along the way, Hanuel will change into a new person and find the life she always wanted, but will it last? "He always carried that stupid, mustard yellow umbrella, but I still loved it." -Park Haneul.