In the twilight world of the Cross Academy, students are split between the human Day Class and the vampire Night Class! Can the human Guardian, Yuki Cross, and her vampire ally, Zero, maintain the balance in this bloody class warfare? Zero's human twin brother Ichiru returns, working in an unholy alliance with Shizuka - the same mad vampire who sired Zero! But when Ichiru threatens Yuki, what sacrifices will Zero make to protect her, and will anyone survive the bloodbath that follows? In the middle of this violent family reunion, secrets of Yuki's and Zero's pasts are revealed - ones that will have untold effects on everyone's futures. Everything changes in the final volume of Vampire Knight! Contains episodes 11 - 13.