Kei is 14 years old and used to live in the woods with her father, her father was insane and would abuse her when she didn't do something right. She trained to hunt and fight since her enemies attacked day and night non stop, she found out her father was planning on killing her so she packed her things and ran away immediately with her cat. She ended up finding herself in the Emerald Forest, there was a village and a big castle. Soon she is now your maid and servant (your the princess)