The top student in the grade, exceptionally good at math. He is aloof, tall, and described as having a silhouette as graceful and upright as bamboo, with peach blossom eyes and black eyelashes. His parents are resentful toward each other but pretend to care in front of him and his grandfather. He comes to school early because he cannot sleep due to his parents' bickering. He is patient when tutoring Song Qitao and notices small details like the incorrect formula on the cup sleeve.
