第 12 集: 由紀接受靜香的血之誓約以拯救Zero
2008年6月24日 播出
Yuuki learns that Maria's true identity is Shizuka, the pureblood vampire who bit Zero and turned him into a vampire. With this information, Yuuki accepts a deal from Shizuka and offers her blood in order to save Zero… (Source: Viz Media)