Kailey Black is Jacobs older sister. But she has a secret, she's Posidens only daughter. Yes she is the half sister to percy jackson. What happens when Chiron thinks it would be better for her to stay with her step-father and younger brother? What will she do when a certain hot head imprints on her? How will she deal with vampires and shape shifter while fighting the usual monster while keeping her demigod side a secret? Twilight/Percy Jackson crossover (Please don't judge first story) SLOW UPDATES