look up random name generators on the web if you're having trouble with names.
You should also work on more of a plot than that...
*Are there supporting characters?
*Does she have love interest / friends / rivals / family?
*Does she have a past?
*What kind of powers does she have?
*What does she do once she loses control of the ink / scroll?
*Create a climax / strong point to the story; what it leads up to; then work for an ending, but be sure to come up with things all through the story to keep it interesting.