Falling into the Song Dynasty

She, a college student in the 21st century, accidentally fell off the city wall and fell into the Song Dynasty. She, Wu Mengyao, relied on her intelligence and courage to survive the villain's plot and gained the tenderness of the cold-faced business overlord. In order to return to modern times, she rejected his tenderness and disappeared for half a year. When she reappeared, she found that he was holding a wedding and unexpectedly learned that she had already passed away in modern times...