Ep. 5: Yuki mengalami halusinasi darah dan setuju menjadi kekasih Kaname setelah ia memaksa Zero untuk meminum darahnya.

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Yuki continues to hallucinate that her surroundings are drenched in blood, and she is determined to ask Kaname about her past. Zero allows his twin brother Ichiru Kiryu to join the Day Class, and Kaien hopes that the brothers can repair their relationship. During her night patrol, Yuki hallucinates that blood is on her hand and she inadvertently attacks Kaname, who then comforts her and tells her that he loves her. Zero confronts Kaname about Yuki's memories, and Kaname forces Zero to drink his blood to stop his transformation into a Level E vampire. Yuki resolves to talk with Kaname, and Kaname reveals that he is worried that Yuki will hate him when she learns the truth about her memories. Yuki claims that she could never hate him, and Kaname asks Yuki to become his lover to prove her devotion. She agrees, much to Zero's surprise. (Source: Wikipedia)