I'm a librarian who loves anime, manga, and reading a wide variety of genres.
So far this is better than I expected. Also, wow, the difference between light novel releases back in the Tokyopop days and light novel releases now is striking. Most of the stuff that gets licensed in English now seems tailor-made for an anime release, or has already been adapted into an anime. This, on the other hand, doesn't have anime cliches inserted into it. Also, it's written in the third person. ::weeping with relief::
The main character is a moody high school student who's been given the nickname "Dark Prince" by his friends (yup, I rolled my eyes). He announces out of the blue that he has a girlfriend, a girl who has such a lack of presence that most people don't even notice she's in the room until Utsume, the Dark Prince, points her out. Readers already know there's something odd about her. Maybe she's a spirit, or some kind of nonhuman being?
This is apparently the first in a 13-book series. Tokyopop published the first two, which I own, and was going to publish the third but then went bankrupt. Here's hoping each book is relatively self-contained so that I won't have to curse Tokyopop, again, upon reaching the end of Book 2.