If you don't know already, the anime was based on a light novel, and this manga began after both, so it isn't caught up to either of them quite yet. That being said If you have watched it, it is I've heard it captures a bit more of the subtlety in the light novel than the anime, which is a tad more condensed.
You may feel your favorite manga should be gathered together into distinct categories for your own reference and, now, you can do this with a LIST. After you've created your list or lists, you can proudly recommend them to other manga fans to showcase and share your taste in manga.
Otoyomegatari