Their relationship begins after making a mutal beneficial agreement with one another. After interacting with Su Xing when going to the ruins and stealing the technique together, Shi Yuan grows fond of Su Xing. She both assumes he is unable to make another contract with another maiden and was not interested in her when they both decide to go their separate ways. Their relationship blossoms after Su Xing returns for Shi Yuan after receiving a transmission message from Ancestor Baili. She decides to be together with him. They accidently form a contract together after they kiss, not knowing Su Xing was able sign another Star General.
Shi Yuan often times very eager to kiss Su Xing. Shi Yuan is also often looking with interest whenever Su Xing is flirting with another Star Maiden.