After Marrying the Northern Warlord in Her Sister's Place, the Darling Bride Runs Off Pregnant

[Possessive pursuit | win-her-back-at-any-cost | fleeing while pregnant | both leads have no prior sexual partners] Everyone knew that Prince Yan, Wei Zhan, had no interest in women. What they didn't know was that he'd married an impostor. Su Qin entered the northern lands under the identity of a commandery princess, nervously pretending to be virtuous while saving enough money to run away. But at some point, the cold and ruthless man changed. He clung to her night after night, holding her close and gently coaxing her. “Be good, A Qin.” By the time she was in too deep, even Su Wu had begun to consider staying. Until she overheard the man sneer to his advisors, “A mere pawn, and she thinks I mean it?” Only then did Su Wu realize he'd seen through her identity long ago. All his tenderness had been bait, meant to lure her “family” into his trap. She touched the child in her womb, whose existence she hadn't yet revealed, and her heart died completely. She leaped from a cliff to escape, but he intercepted her. His armor stained with blood, the man pinched her chin and laughed. “You're a fake. Keeping you around this long was already a kindness.” Later, as the war turned dire, she fled again under cover of night, changed her name, and gave birth to her child. When they met again, he leaned against the wall of her courtyard, covered in blood and grime. The little child inside looked exactly as he had at that age. Wei Zhan's eyes reddened. He offered her his sincere heart and begged her to come back. Su Wu coldly pushed him away. “Wei Zhan, when you used my life as a piece in your scheme, did you ever think this day would come?” A beautiful, fragile orphan x a ruthless, cold-hearted prince