(Young love, mutual devotion, and affection that grows over time.)
Su Ying was born with a broken jade pendant. Years later, she went to the capital to study and met Mo Xun. When she learned that he also had a broken jade pendant, she realized they had been betrothed long ago.
In the early chapters, it's a young romance set on campus. Later, he becomes a Royal Guard and she a female court official.
