She is the king of the blood clan and the person who signed the blood contract with him; the king of pure blood, the king of blood bats, a blood contract passed down by one lineage, an eternal oath, a fate that cannot be broken, a drop of the purest blood, a contract that can never be escaped. Regardless of the past, he is her most loyal guardian. Her and his fates are intertwined, forming the most beautiful picture. . . . . .