Flipping Out My Sister The Vampire Sienna Mercer
My Sister the Vampire is a series about two sisters who were separated at birth. Olivia Abbout, the cheerful "bunny", transfers to Franklin Grove Middle School where she doesn't seem to fit in. In fact all of Franklin Grove is full of goths. Olivia tries out for the cheer-leading squad and eventually makes friends. In one of her classes, she meets a goth girl named Ivy, who is the total opposite of her.