In this world, there are two kingdoms. There’s the human kingdom, the kingdom of life, and deep underground, far beneath the surface, is the vampire kingdom, the kingdom of death. Vampires are hated among humans, because of their blood sucking tendencies..Much to the distaste of the people, the Queen and King have decided to invite the vampire royalty, the Tenma family, to the human land, in an attempt to strengthen the strained relationship between the kingdoms.

Rui Kamishiro, the young prince of the human kingdom, looks out the window, waiting for the vampire royalty to arrive at the castle. While the prince does have mixed feelings about vampires, he knows better than to judge all vampires by stereotypes…