Time Travel: The Mighty Crown Princess

Zhou Mengdie, a taekwondo student, has been around by bad luck recently. Accidentally, she travels back to ancient times and becomes Qin Yidong, the daughter of the Grand Preceptor. The next day she is dragged into the palace to for the imperial concubine selection... This Qin Yidong knows nothing about music, chess, calligraphy or painting, so she has to split bricks in public. But because of this, the prince thinks she is silly with no threat, so he selects her to be the crown princess. After getting married, they ignore each other until the prince finds that this woman may come from the same place as his mother who has disappeared years ago...

(Source: Tapread)