As my fursona, and therefore and representation of myself, Cinder has no mythical backstory. The closest there is perhaps that one can say she exists separate from time and space, able to be inserted essentially anywhere, as she often makes random cameos in the backgrounds of my stories, but that isn't really a canon power or anything. She exists in random snippets of life I choose to place her in, acting out my life through a more zany, cartoonish, unconstrained lens.
Just me abiding by cartoon laws.
Works as an actress at a haunted house around Halloween, other than that, sells art when she can and strives to one day work in the animation industry.
Is rarely drawn with boobs, if ever.