Jade Blossoms Fade

[Innocent, delicate heroine + outwardly cold but inwardly warm hero + System + reborn + rivalry for the heroine + traditional historical palace intrigue]

The story follows a heroine who accidentally transmigrates into a book as a princess of a fallen kingdom. To return home, she must restore her country, win over the male lead, and use his power, all while they love and fight one another. Her homeland is gone, but she can only go home by restoring it.