Swapped into Marriage, Spoiled by a Secret Tycoon

Tricked by a cruel stepmother and a jealous younger sister, the heroine finds herself pushed into a substitute marriage she never agreed to. Her new husband is someone the family has underestimated, and the arrangement puts her squarely in the middle of a household that wants her humiliated. Caught between a hostile home and a husband with hidden power, she must decide how to survive the trap that was set for her.