Among the four male protagonists created by Nasu, namely Shiki Tohno, has the most complicated life experience.
Shiki was born into the Nanaya clan, a family of assassins and exorcists. His father is the patriarch of the Nanaya family, the number one master in the family, and one of the few strong men in the mysterious world of Japan, Kiri Nanaya. Shiki received Kiri's guidance from an early age and learned various killing techniques.
One day, Kiri received news that the leader of the Saiki clan, a famous mixed-race family in Japan, was dominated by the demonic nature of non-human blood and did a series of harmful things, which he needed to deal with.
When the blood of non-humans exceeds that of human blood, the power of the hybrids will also become closer to that of non-humans. As a price, the most basic appetite and sexual desire for biological survival will be strengthened, human moral values will become unbinding under the influence of external forces, and killing and looting will become the basic means of survival.
The Tohno family, which is also a mixed-race family, will call this phenomenon "Inversion Impulse", while various demon extermination families and organizations will define this phenomenon as "demon" and must be exterminated.
Kiri Nanaya, who had the urge to "Destroy the non-humans" engraved in his blood, immediately went to the Saiki family to exorcise the demon. The exorcism operation went very smoothly, but something unexpected happened at the end of the operation.
Being inspired by his blood to exorcise the demon, Kiri Nanaya, who was in a state of excitement, after annihilating the Saiki clan leader, severely injured Tohno Makihisa who was beside the Saiki clan leader. If it weren't for the non-human blood mixed in by the Tohno clan, which has strong immortality, Makihisa would not have been able to escape death.
Makihisa, who finally managed to save his life, developed a huge fear of Kiri and the Nanaya clan behind Kiri. After annexing the Saiki family - the Inversion Impulse of the Saiki clan was originally revealed by Makihisa to the Demon Exorcist Organization to annex the Saiki Family, and the Demon Exorcist Organization sent Kiri Nanaya to exorcise the demons - Makihisa began to deal with the Nanaya Family.
He first persuaded the various mixed-blood branches under the Tohno family and then invited the escapist who had a grudge against Kiri. The head of the branch family, Kouma Kishima, was the strongest member of the Tono family, and his fighting ability was at least second-rate. Finally, on a night when the Nanaya clan had no mission to go out, Makihisa led a group to raid the Nanaya clan's headquarters.
After a fierce battle, the raid ended with Kouma Kishima killing Kiri, and Nanaya's family was exterminated. At the end of the Nanaya clan's destruction, Makihisa discovered Shiki Nanaya who was only 7 years old.
Because Shiki's pronunciation is the same as Makihisa's son SHIKI, and to control his non-human blood with the blood pressure of seven nights, Makihisa did not kill Shiki but sealed his memories before he was seven years old and adopted him as his son. The adopted son of the Tohno family grew up with his son SHIKI and daughter Akiha.
As an adopted son, Shiki rarely lived a happy life without training, killing, or hatred. Unfortunately, the good times did not last long, and Tohno SHIKI had an Inversion impulse.
The desire generated when a mixed-race person is close to a demon is called an "Inversion impulse". If it cannot be suppressed, the normal blood will be dominated by non-human blood.
Dominated by non-human blood, SHIKI fell into madness and wanted to kill his sister Akiha. To protect Akiha, Shiki fought against Shiki and had part of his "life" stolen by SHIKI.
To save Shiki, Akiha used her power and gave half of her life to Shiki.
On the other hand, Makihisa, who arrived, followed family rules and killed SHIKI, who was dominated by an "Inversion impulse". However, before dying, SHIKI used his special power "Communion" to establish a spiritual and life connection with Shiki.
At this time, Makihisa couldn't bring himself to kill his son, so he locked SHIKI in the basement and sealed Shiki's memory. At the same time, it was announced that the adopted son SHIKI died unexpectedly, which changed Shiki's identity with Makihisa's real son SHIKI, making Shiki the eldest son of the Tono family.
"You all know what happened after that. I don't know whether Shiki survived or came back from the dead. As a result, Shiki awakened the Mystic Eye of Death Perception. However, due to a lack of vitality and a weak body, he was eventually sent to the branch family by Makihisa. Raised by the Arima family, this is the story of Shiki."
When talking about this story, Shinji sighed several times, and the last time he sighed the most.
"The relationship between the Tohno and Nanaya families has long been unclear. Makihisa destroyed Nanaya but spared Shiki. Shiki protected Akiha and was revived by Akiha. It's better to not let Shiki know about this, at least this way he can live a happier life."
Mikiya nodded in agreement: "Indeed if it were me, I wouldn't know how to face the Tohno family."
"I have a headache. I don't want to think about it anymore." Shiki lazily lay down on the railing hill. Her animal-like thinking mode couldn't accept things that were not for killing and slashing etc.
"Shinji, how do you know these things? There are many things that only the master, Tohno Makihisa, knows. I don't think he will leave any traces."
The more detailed and truthful Shinji's words were, the more suspicious Touko became. Although it is taboo to inquire into the mysterious world, Shinji and Touko have known each other for such a long time that they no longer have to worry about this.
"It left traces. Tohno Makihisa has the habit of keeping a diary, but it's not very detailed, so I can't guarantee that what I said is not wrong or omitted, but the general direction is correct. If you are interested, you can try to sneak into the Tohno family's residence. The diary is in Makihisa's study. If I remember correctly, it should be hidden in a locked cabinet."
Hearing Shinji's explanation, Touko couldn't help but recall their recent tour of Japan.
"So, last time we passed through Tokyo, you sneaked out at night just to sneak into Tohno's house? How many times did you separate from us to investigate things?"
"That's right." Shinji concealed his guilt with a smile.
Tohno Makihisa does have the habit of keeping a diary, but Shinji has never sneaked into the Tohno family, let alone read the diary. He only remembered it clearly because the events in "Tsukihime" were accurate, and Shiki's situation also proves that there is no deviation in the information related to "Tsukihime".
His night out had nothing to do with the investigation, but since Touko connected them, Shinji just went along with it.
"I'm getting more and more confused about what you're thinking." Touko glanced at Shinji with a strange expression, "Is there anything else you want to say?"
"Well, there is indeed one thing that I can't decide on. I don't know whether I should get involved. Ahhhh, why are things related to the Tohno family so troublesome?"
Every time he thinks about this extremely troubled family, Shinji can't help but scratch his head. It was okay if he didn't have the ability before, but now he has the ability. He doesn't want to turn a blind eye and doesn't know how to manage it.
Sometimes I want to blast this family with Indra's thunder.
PS: The Tohno family is a mess, with all kinds of messy things entangled together. Makihisa should have completely killed SHIKI, so there wouldn't be so many troubles.
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