Begin as a Girl: Just a Little Maid

The protagonist with flowing water, the unchanged milk core, the soft and cute protagonist, plus a little bit of astringency hehe, note: the protagonist can be brought into the author to have a sense of déjà vu [admiration]

Great! Don't send the book Milk Core!

This is my fifth book, the writing is still as good as ever, and the protagonist is as cute as ever [Adoration]

It's pretty, but it's short. She probably didn't get married.

Good, good, milk core, come on!

Look, look, look, hey hey

How do you explain Yu Er's identity? Can you use the "sexual deformity correction" method?