I Became the Villainess in a Vampire Novel

Several mysterious transfer students suddenly showed up in our class. They turned out to be vampires and vampire hunters, and my ordinary school life was shattered. Then I was told that I was the villainess in the novel The Vampire Lord Fell in Love with Me. To avoid punishment from the administrator of the novel’s world, I also had to follow the plot. I thought I could simply play my part quietly until it was time to leave, but who knew there’d be a hidden plotline??? How did an utterly unremarkable background character like me get dragged into the battle for the vampire clan’s leadership? Just because I spent a lot of time with the clan’s second young master, the young lord kidnapped me to threaten the male lead. Is this for real??? Whenever the vampire male lead and the vampire-hunter male supporting character run into each other with me there, they trade “barbed remarks” under the pretext of caring about me. Do they just hate each other, or do they both like me? Like me or not, I’ll return to my own world eventually. But the less I make my feelings clear, the more they care for me and treat me well. What is this plot derailment!!!