"Xing Jiayi is one of the main characters in the Japanese manga ""His Genius Wife is a Superstar"". He is a wealthy and powerful businessman known for his sophisticated demeanor and sharp business instincts. Jiayi first meets the protagonist, Ye Ling, when he helps her foster her career in the entertainment industry.

At the beginning of the story, Jiayi is portrayed as a cold and distant character who is ruthless in his dealings with his business rivals. He initially sees Ye Ling as nothing more than a tool to further his own interests. However, as their relationship deepens, Jiayi begins to develop feelings for Ye Ling and starts to show a softer side.

As the story progresses, Jiayi becomes more involved in Ye Ling's life and eventually marries her. He is portrayed as a doting husband who seeks to protect and provide for his wife at all costs. Despite his wealth and power, Jiayi is shown to be a caring and compassionate character who deeply loves his wife.

Throughout the manga, Jiayi is shown to be a complex character who struggles with his own past traumas and insecurities. He is haunted by memories of his abusive father and has a deep fear of betrayal, which often causes him to push people away. However, as Ye Ling helps him confront his demons, Jiayi learns to open up and trust others.

Overall, Xing Jiayi is a multifaceted character who undergoes a great deal of growth and development over the course of the story. He is a dynamic and compelling character who plays a key role in the manga's plot and themes."