In midsummer, Yanhua was crowded with people. On the first day of school, Huai Su followed her parents and moved into a rented house at the gate of the school. However, she met a handsome boy whom the good sisters in junior high school said was the student god, the legendary Fu Yuqing, her F3 roommate for the next year.
When two gears of fate collide, rub, and match, the sweet daily life of senior high school senior and high school junior Bai Lian begins.