Cui Cui is Guan Yi’s childhood friend, described as a young girl with delicate features and a lively personality. She is deeply worried about Guan Yi’s decision to give up a good university and enter a dangerous Secret Realm. She asks him directly if his family is in trouble and offers to help. Despite her foul mouth and violent temper mentioned by Guan Yi, she is loyal and caring. At the subway station she bids him farewell with genuine concern, hoping he will be careful. She appears to be the closest female peer of the protagonist, likely the heroine of the story.
