A concept for a new character! (maybe...)

While I was drawing something that I have to do for some events, and some gifts, I've procrastinated (as usual xD) doodling this japanese girl, that was inspired from a character of an opera that I've seen on TV some days ago and that I loved a lot. c":
Since I liked a lot how this sketch turned out, I've thought to clean it and post it here, on my public part of DA.
Honestly, I don't know either how to call her, nor her color palette, or character, I don't even know if she will become a regular character of mine (I've thought to make her as a princess in a Japanese-like kingdom of Mario, but I'm not sure), or an adoptable! If you have some suggestions for me, they're fine, I will read them with pleasure!
And I don't know c:
I hope you like it c: