After a Marriage Swap, I Became the Imperial Uncle’s White Moonlight

A modern martial arts champion transmigrates into the body of a merchant's daughter, forced into a marriage swap.

Her lame husband has someone else in his heart? Perfect. The only thing in hers is revenge.

She'll make her enemy's old wound flare up again and send him to his death on the battlefield.

She helps a prince seize the throne and battles the harem. When he's about to make her empress

There's only one thing she wants.

Freedom.