Gu Han is a tall, thin, good-looking young man with a chuunibyou personality. He initially appears aloof but reveals his delusional behavior by addressing Yan Ning as his princess and vowing to serve her. He is skilled in 3D projection technology and is interested in Yan Ning's stage performance idea despite the high cost and tight timeline. He changes his attitude when discussing work, showing a professional side. He is a contestant in the competition but decides to dedicate himself to Yan Ning instead of winning.
