>>1826971Well first of all we need to try and stay true to her character. So all background information on her would be good to look at, I've been looking through some of it, but as far as I can tell the only things that need to stay true are Herself, Usagi and Same.
It doesn't even need to be a detailed story, having small events throughout the levels would be enough.
Linear progression, starting quite innocent and easy, but finish climatically, much like disgaea.