Xin Xing and Lu Chen were born on the same day in the same delivery room of the same hospital. Both of their parents were gay. They were childhood sweethearts and grew up together. They started in a nursery and stayed together for more than ten years. They were admitted to the High School Affiliated to the Normal University together.
All along, Xin Xing felt that Lu Chen was the person who would buy her ice cream and candies for the rest of her life, and Lu Chen thought that Xin Xing was the person who would only eat the ice cream and candies he bought for the rest of her life. They walked the long road together and went to the amusement park to compete on roller coasters.
Over the years, going around and around, they have met the right people.