The general's eldest daughter has a spatial ability

A time-travel story featuring a strong female lead and a cunning, powerful male lead. The female lead was manipulated and alienated from her parents from a young age, deceived by her aunt and half-sister, and dubbed the ugliest and most incompetent woman in Beili. At a flower-viewing party, she was struck on the head by her scumbag fiancé and died. When she opened her eyes again, she was a 21st-century defense agent with a magical spring space. She slapped her scumbag fiancé and tore apart the hypocritical, scheming woman. With her space in hand, she could have anything she wanted! The male lead, the legitimate son of the Empress of Beili, was a young general. At ten, he led an expedition against Nanqing, sweeping through twelve enemy cities in a year. At twelve, he led an army against the Northern Frontier, but on his victorious return journey, he was ambushed and poisoned, crippling his legs. He then secluded himself, only occasionally venturing out...