Liu Ruyan shocked the entire school on her very first day at No. 1 High School. She boldly challenged the school's heartthrob, Lu Chuan! What’s more surprising, Lu Chuan didn’t get angry; instead, he seemed to follow her every word. The famously fastidious Lu Chuan, known for his cleanliness, even let Liu Ruyan use his cup. Despite being a man of few words, he was constantly trailing after Liu Ruyan, chatting non-stop.
It turned out that Liu Ruyan was Lu Chuan’s childhood friend. When Lu Chuan was just five years old, he had loudly declared during a game of make-believe that he would marry her when they grew up. A year later, both Lu Chuan and Liu Ruyan were accepted into the country's most prestigious university, and in their college years, they began to shamelessly flaunt their relationship. The "YuLu" brand of romance, as it was dubbed, became a widespread sensation, with everyone agreeing—it was the best kind of sweetness, equally shared by all who witnessed it!