Yuji begins to wonder if humans and Orphenochs can live together. Osada goes to live with Mari and Keitaro. She realizes that Keitaro is her pen pal. She runs away and the others search for her. The police search for her and Yuji. One of the Lucky Clover approaches her after Keitaro finds her. Yuka transforms and defends Keitaro. He sees her true form. Meanwhile, Yuji and Takumi are fighting off Orphenochs and police that are trying to capture them.

Yuji and Takumi manage to escape. Yuka tells Keitaro she left because she didn't want to be a burden to him and the others. He hugs her and tells her he thinks that humans and Orphenochs should live together and be happy. Takumi and Yuji continue to disagree about humans and Orphenochs being able to live together. During the fight with Bat Orphnoch, Yuka is ultimately wounded by humans and killed by at arms at Saeko.