Mistress Found on Wedding Day! She Marries the Assistant, Who’s Secretly a Billionaire!

On her wedding day, female lead Jian Ning catches her fiancé cheating with her half-sister. Without hesitation, she calls off the wedding on the spot and impulse-marries her quiet, low-profile assistant. Enter a marriage of convenience—as corporate warfare and family drama unfold, the newlywed couple joins forces to fight back against her deadbeat father and evil stepmother.