Everneath by Brodi Ashton

“Decisions made in haste will be repented of in leisure.” Nobody knows this better than Nikki Beckett. Just one moment of weakness and despair has cost Nikki her entire future. After agreeing to follow the immortal Cole into the Everneath and allowing him to feed on her for a century, Nikki is back on a earth (for just a short six months) to say goodbye forever to her loved ones. But with the help of Jack, her ex-boyfriend, and the untrustworthy Cole, can she find a way to escape her horrible fate?