I Love You, I Promise (h.s)

Abby and Josh are best friends but when Josh makes a move on Abby she realized her true feelings are coming to the surface. During the middle of a wonderful night, Abby and Josh get kidnapped, along with their friend Skye, by a strikingly handsome vampire named Harry Styles. They're forced to become slaves and Abby becomes his personal lover. She starts losing her feelings for her best friend and starts falling for her kidnapper. He continuously uses one phrase that keeps her by his side,
"I love you, I promise."