Blood of My World Series by A.P. Fuchs

Zach and Rose had fallen in love during their sophomore year, their worlds completely changed and utterly belonging to each other's. It was the first time either had fallen in love, deeply, purely. Aiming for a future together, plans were interrupted when Zach went missing for three long months, leaving Rose distraught, heartbroken and depressed. Zach awakens in the dark of a coffin, his memory erased, his life and feelings for Rose forgotten... moreZach and Rose had fallen in love during their sophomore year, their worlds completely changed and utterly belonging to each other's. It was the first time either had fallen in love, deeply, purely. Aiming for a future together, plans were interrupted when Zach went missing for three long months, leaving Rose distraught, heartbroken and depressed. Zach awakens in the dark of a coffin, his memory erased, his life and feelings for Rose forgotten. A strange group of people who identify themselves as his family reveal he has become a vampire, one of the undead, and is now a being with incredible power and a thirst for blood. However, during Zach's absence, Rose learns of her own secret heritage: she comes from a long line of vampire slayers, hellbent on eradicating the unholy threat of the undead from the face of the Earth. Now, not only does she need to try and get over the young man she loves, she must also come to terms with her new life and what that means for her future. It is only when her path accidentally crosses with Zach's does lost love begin to surface again. less

Now submerged in the world of vampire slaying, Rose must come to terms with what that means for her relationship with Zach and if it's even possible for the two of them to be together. Meanwhile, every moment spent with Rose helps bridge the gaps in Zach's memory, reminding him how much they meant to each other in their former life... moreNow submerged in the world of vampire slaying, Rose must come to terms with what that means for her relationship with Zach and if it's even possible for the two of them to be together. Meanwhile, every moment spent with Rose helps bridge the gaps in Zach's memory, reminding him how much they meant to each other in their former life. Rose's father, Marcus, is now even more dedicated to purging the Earth of the undead, so much so he's willing to kill the only boy Rose had ever loved to help make the world a safer place for her. Likewise, a plot is in play to infiltrate the Slayer Order, even at the expense of a loved one. The countdown begins and Zach and Rose must come to a decision as to where their loyalties lie, or if they're going to put each other above all else and face the consequences together. less

Now disconnected from their families, Zach and Rose try and make it on their own away from the war between vampire and slayer. But word has been spread to the undead that Zach needs to return to his family otherwise his mother will only make matters worse for him. Trying to survive together isn't all it is hoped to be and Zach and Rose must decide if a vampire and human truly can remain together, or if it's a lost cause and they should accept their fate... moreNow disconnected from their families, Zach and Rose try and make it on their own away from the war between vampire and slayer. But word has been spread to the undead that Zach needs to return to his family otherwise his mother will only make matters worse for him. Trying to survive together isn't all it is hoped to be and Zach and Rose must decide if a vampire and human truly can remain together, or if it's a lost cause and they should accept their fate. Is love enough? Before the two can find out, the vampire's family comes for Zach and Rose, and the two are swept into a nightmare where there will be only one survivor. less