[Marriage first, love later + palace and household intrigue + all facets of life + fictional ancient setting + not a superpowered heroine]
Ziyan is an overlooked princess of Northern You. To secure his kingdom's survival, the Northern You Emperor sends her to Dali to marry its Crown Prince, Qin Xiao.
Newly married, he has no affection for her, and she wants none of his.
He already loves someone else, while she longs for a life of ease and freedom.
“If I help Your Highness win the throne and marry the woman you love, will you grant me my freedom?”
“Agreed.”
From then on, the two become allies who fight side by side.
After years pass, they gradually fall for each other in their everyday life, remaining devoted until death.
Pei Qianqian, daughter of Marquis Pei, and Crown Prince Qin Xiao grew up together and pledged themselves to each other.
When Pei Qianqian watches Crown Prince Qin Xiao marry another woman, how will a kind-hearted girl like her gradually descend into the depths of desire?
Life is unpredictable, nothing goes as planned, and fate plays cruel tricks. Where will the people of this world end up...?