Miza, for the past 3 years admired Kaneki from afar while working at Anteiku, only to be seen strictly as a sibling. When Miza gets rejected and bumps into a member of Aogiri tree, she decides to rebel, running away from Anteiku and from Kaneki. 2 years later, an extremely dangerous female ghoul nicknamed The Black Rose appears, threatening the tranquility of the 20th Ward as well as Anteiku. Kaneki decides to take the matters into his own hands seeing as this ghoul is threatening who he cares about. However, when Kaneki finally discovers where the mysterious yet powerful ghoul is hiding, he is surprised to see that the threat is no other than Miza herself