Loneliness is a luxurious disease. In fact, I don't want to be so luxurious, but I have no choice. ——Gu Xin
What will happen to her three-year relationship with him during their wonderful college years? Can they persevere in the hardships of long-distance love? As time goes by and their thoughts change, can they continue to persist or will they choose someone else? How should they deal with the pain of growing up?