Regarding most questions about Jane, if I recall correctly stencilbits pointed it somewhere, that originally she was meant to be only side character who just progresses story further, but after seeing how popular she is with readers he might consider to make route for her. I might be wrong though, so don't quote me on this one.
Edit: Found a direct quote from his patreon post: "Jane is not a romanceable character, but if she's popular enough I might add some scenes for her, too."
So people, it's up to us to cry, and beg for Jane.