Sang Zhi's college roommate has a carefree personality and is well versed in various romance novels and idol dramas. He is the love mentor of the whole dormitory and the leader of night talks in the dormitory.His remarks were bold and cute, and he actively brought Sang Zhi and Jiang Ming together at the beginning.Later, after discovering that she liked Duan Jiaxu, she often came up with tailor-made ideas.