Then a bunch of people get killed in weird and freaky ways and there's some Celtic mythology and...uh...yeah.
Trying to make sense of this, I turned to the wonders of Wikipedia and it fleshed out the characters for me a little. It also said this was a "light novel" and I said wha-the-WHAT?? Bodies in suitcases! Teen girl gets throat ripped out!
But apparently that just means it's written in a simpler form of Japanese characters. Okey-dokey then.
The art...looked like manga. Honestly, I can't tell the difference. Still working on that.
Borrowed from another library in my consortium