With Spirit Herbs, I Save the World and Claim the Realm for You

An orphan from the 21st century is caught in a shipwreck and transmigrates into the body of a little orphan who starved to death in ancient times. She arrives with a golden ring that contains a spirit herb, and can form contracts with spirit beasts, improve crops, and heal the sick and wounded.

All she did was happen to find a general being hunted, but now he insists on making her his wife.

“Wifey, I love you!”

“Wifey, I'll offer you my kingdom as a betrothal gift!”

“Wifey, I promise you'll be the only one in my life, forever.”

…