Nexus Series by Nicoline Tiernan

Tristan has all the time in the world to be in love. He’s going to live eternally—that’s what vampires do. And now that he’s found his soul mate in Eric he plans on living happily forever after. But not all stories can have a fairytale ending, especially when Eric’s father, the lycan king, has declared war against all vampires. Will their love survive? Warnings: MM, shifter sex, BDSM elements