Vampire Knight returns with stories that delve into Yuki and Zero's time as a couple in the past and explore the relationship between Yuki's children and Kaname in the present. These are the stories of what happened during the 1,000 years of Kaname's slumber and the start of his human life. Neither the vampire aristocrats nor the vampire hunters approve of Yuki and Zero's relationship. Zero must face opposition from the Hunter Society while also becoming the target of a vampire assassin. Meanwhile, Aido and Yori grow closer as a couple.