I've read it before. The Lux series by Jennifer L Armentrout? I don't mean to sound harsh but it was like an EXACT copy, plot wise with even many of the same phrases uttered by the characters, the same plot order of Obsidian can match over this this. Nw girl, meets the quirky pretty girl next door, knocks on the door and is met by the half naked hot yet harsh speaking guy who gives her a nickname, who doesn't want her to be friend with his sister or know his family, the bitchy pretty girl whose with him, taking her to a special location he likes... I could go on.
Maybe the author didn't read Obsidian and this is one huge coincidence but... I'm thinking not.
Still, despite the millions of things that could come straight from Obsidian, it was okay. Some spelling and grammar issues, but not a bad read.
But it certainly wasn't original.Obsidian Lux Series Book Novel ebook
^ I case any of you want to see Thor yourself the obvious similarities...