In the Nine Heavens, Wu Xin, the fifth princess of the Emperor of Heaven, was born with deficiencies, not only physically, but also psychologically.
"Does Xin'er like rabbits?"
"Master, what is liking?"
"Xin'er, if one day the master is gone, will you be sad?"
"Master, what are you sad about?"
"Master, that woman's eyes are watering."
"Those were tears."
"What are tears?"
"Xin'er, you don't need to practice spells now. I will take you to learn about feelings."
In short, this is a cute master-disciple story (*/ω＼*)