You want something different from anime? Then Hoshimemo was a bad choice. An obvious bad choice for that matter. It's a VN where you romance the various heroines by doing their routes, and the heroines are pretty typical. If you can't stand that kind of stuff then... um, yea, don't read it. There's several other kinds of VNs out there, just like there are different genres for anime.
Hoshimemo does have a few more elements to it, but it's mainly about what I mentioned above.
Yes, the characters develop further in their own routes. It does get more interesting. But it's not a good sign if