When Cinderella becomes a princess? That's impossible. If a prince wants to marry a princess, he has a ready-made match at his fingertips. How can he have the patience to wait for Cinderella to become a princess? Most of the Cinderellas died of exhaustion and starvation in front of the stove before they became princesses; the rest had to find their own way out of the stove room. If he didn't evolve successfully and became Sun Erniang, wouldn't it cost the prince's life? No, such a risky thing has too many variables, so who would really wait? Princes are not fools.
Conception: