its talk about yuuki and kanami when they were kids there uncle i think try to take yuuki but kanami father protect her and her mother always want her to become a human so at that night she Sacrificed to yuuki and when yuuki wakes up her memories was areas and kanami save her when a vampire try to drink her blooda and after few years クロス bring zero who his family killed によって a pure blood vampire and his brother left with her and zero hate kanami soo much after i think 10 years i dont remember kanami uncle showed up again but before that yuuki descavored that zero become a level E vampire from the attack and the only solution is he drinks from the vampire that turns him to vampire and theres another thing beside thats he and his brother they have a `twin cours ` thats mean thats one of the twin hase an extra power thtas tokes freom the others thats why zero brother hate him but in the end he give his blood to zero to kill rido who kills hio who killed zero familly cuz his bro loves her ... and after rido got killed and yuuke remember everything she gone with kanami and some フレンズ .... thats the end and zero promis her thats he will found her and kill her
