The bright moon hangs high, beckoning him down from his pedestal.

Original title: From Princess to Favored Concubine, Giving Birth to a Little Prince and Stealing Her Sister's Throne.
[Rebirth + System + Palace Intrigue + Pseudo-Father-Daughter Relationship + Unattainable Beauty + Great Beauty + Sweet Romance]
A cold and noble unparalleled king x A charming and delicate illegitimate princess
……
She was his nominal illegitimate princess (a fake one), and also the only stain on his life.
She leaped from the palace wall, thinking it would end her ridiculous life.
Unexpectedly, after waking up, she was bound to the system Xiao Jiu, who said, "The best way to defy fate is to give birth to his prince and take away your sister's throne."
Xiao Jiu silently blessed her with a body that possessed innate inner charm and fair, jade-like skin.
……
That night, after his beloved wife's birthday banquet, the Taiji Hall was dimly lit.
He tore off her sash, thus shattering their already false title.
"Shen Wangxi, have you gone mad?"
He knew it was wrong, but he couldn't help but succumb and took her body.
Upon waking, she took the initiative to back down, saying, "Your Majesty need not blame yourself. The person who took my body last night was not you, but Emperor Liang, whom I had previously married into a marriage alliance with."
The more sensible she was, the more he felt sorry for her; the more she yielded, the more he wanted to possess her.
Later, he doted on her every night until she became pregnant with his child.
……
He thought it was an irresistible impulse, but it turned out to be a carefully orchestrated scheme by her.
From princess to favored concubine, from abandoned child to the emperor's only beloved.
[No blood relation, sex after the legal relationship is dissolved, female virgin and male not virgin]