Masato Yukimori

Masato Yukimori is a counterpart to the serial killer Yukio Yamaji, he is from universe 2, the same universe as Kaneki, Eto and Touka. He, like Yukio, is also a serial killers, who is different from his counterpart. He murdered his own mother and made it look like suicide, and killed his sister by making it look like an accident. He is a major antagonist in Tokyo Ghoul.

History
Very little is known about Masato's past, he killed his own mother, simply taking advantage of the fact that she suffered from mental problems, and then killed his own mother, simply taking advantage of the fact that she suffered from mental problems, and then killed his own sister by burning her alive, he then wounded himself to incriminate his own mother, making it looks like she's gone crazy for goods, and trying to kill everyone. After the crime, Yukimori managed to manipulate the police by saying that the crime was all his mother's doing, so they didn't notice the psychopathy of the boy who pretended to be innocent, and got away with it. He then started killing about 30 people at the time of the murders and raping them; Yukimori then killed Akira Mado's best friend, whose name was Yuri Arasuke, who made her work for the police as a consort, and then did a psychological profile of Yukimori. Saying that he was a psychopath, with some criminal record, and that he might as well be working in a newspaper store, so the cops found his location and arrested them.

Altenative Reality: Tokyo Ghoul Re
While Yukimori kept his sentence, he was then sentenced to death, and unlike his counterpart, his sentence was longer until the events of Tokyo Ghoul Re. Arriving there, Makuth and Eto broke into the maximum security cell and killed several prisoners and guards and then took Yukimori with them. Eto and Makuth soon ordered Yukimori to be loyal to them in exchange for revenge against Mado, which he agreed to. So Eto soon implanted a kakuhou in him, and Yukimori soon became a One-Eyed Ghoul, and with a Ukaku. Makuth then immediately ordered him to attack Kaneki if he wanted to hurt Akira, to start there; that Yukimori agreed. After that, Yukimori then immediately started killing women the same way he did before, only this time he soon started cannibalizing them too. After that, Squad Quinx is called by the CCG, and they then begin to investigate the case, they then begin to realize that it is the work of a ghoul, and that is copying the modus operandis of the serial killer, Masato Yukimori, and the CCG then called him the serial killer ghoul, them in investigations, Yukimori then soon started killing several investigators, until he soon faced Squad Quinx and he revealed himself to be Yukimori, he then fought them, being Kuki Urie, Ginshi Shirazu, Saiko Yonebashi and Tooru Mutsuki, although they had a balanced fight, Yukimori soon escaped.

After that, Yukimori would join Aogiri; and soon face Akira at the Auction. He then insulted Naki by calling him weak and telling him to leave, he humiliated her by saying how he killed her friend, and that afterwards he would do the same thing to her, he then leaves Akira alive and says that he will then return to finish the service. He is also later seen with the other members of Aogiri Tree where he sees Seidou Takizawa mock Ayato Kirishima. He also appeared in Rose Extermination,where he is seen killing many investigators, after Noro was defeated by Ginshi. Yukimori appears and picks up Noro's dead body while attacking CCG members.

After Eto, surreding to CCG, he followed Makuth's plans and soon went with Tatara, in the fight. Although he only observes from afar, and then when Tatara is easily killed by Takizawa, he then appears and calls Takizawa a traitor and weak. He then fights Takizawa, Koutarou Amon then watches and goes to Takizawa's rescue. However, Yukimori proves to be much more powerful than everyone, he then leaves everyone fatally injured, he then mocks Takizawa and says he wants to get revenge on Mado for his arrest, he kills Takizawa in front of Mado, and takes the dead body Tatara together with him.