The Contracted Emperor's Daughter, I Have a Husband to Protect Me.

"Ding, the Husband Protection System is activated. The host can now establish an oath with the girl and obtain the following protection: 1. The host provides spiritual power to the sworn object and helps the sworn object unlock the upper limit of qualifications. 2. The sworn object and the host share talents and abilities. 3. Canceling the oath will take away half of the oath partner's cultivation to the host. "