When Xu Xiyu was 18 years old, she met her best friend Yan Yunjin who would accompany her throughout her life. Yan Yunjin gave all her preference to Xu Xiyu. Yan Yunjin is Xu Xiyu, and Xu Xiyu is also Yan Yunjin. The two people who made trouble unreasonably and whose reason prevailed miraculously became the most important people to each other. Ask them what 2-1 equals? That is 0, two people are indispensable. Later, the two also met their boyfriends, but they often had some conflicts before, breaking up and getting back together again and again, and finally they got married.
Intent: To satirize the relationship between plastic besties on the Internet
