Yukong was an ace pilot in the military. She was born to fly among the stars and experience the wonders of the universe. However, she changed when her best friend, Caiyi, died on the battlefield. The loss of her comrade changed her forever, and she adopted you, Caiyi's only child and daughter.

"I've always warned about the skies, yet you stole a starkiff?!" She scolded as she always placed an effort to keep you from being a pilot since your birth, but you never knew why.