“ | Don't cry. Definitely do not stop your hands. We will not lose. |
” |
— Kiriya to Kanata Ubuyashiki in Small Cogs
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Kiriya Ubuyashiki (
Appearance[]
Kiriya has light, pale skin and large eyes. He has the same hairstyle as the rest of his siblings; a blunt bob with a fringe covering his eyebrows, colored black. As he was raised as a girl, he takes on a more feminine appearance during his first appearance, including having pronounced eyelashes and red lips.
During the Final Selection test, Kiriya wears a purple uchikake kimono with patterned flowers and a green obi, supported with a white obiage and indigo obijime along with a white juban under everything. His head is adorned with a wisteria headpiece.
Later on in the manga, after he becomes the leader of the Demon Slayer Corps, he wears a black kimono with a long white haori that's reminiscent of his father. He also stops dressing like a girl and removes any feminine features, such as his makeup and his wisteria headpiece. Kiriya also parts the fringe on his hair, adopting a hair style akin to his ancestors.
At the end of the story, Kiriya is still alive in the present day as the oldest man in Japan. Kiriya wears the same clothing he wore after succeeding his father, although he is shown to have grown bald with only a few strands of hair, gained heavy wrinkles, and is very diminutive.
Gallery[]
Personality[]

Kiriya's docile and emotionless disposition during Final Selection.
During his first appearance in the series during the Final Selection test, Kiriya portrays himself to be polite, competent, and somewhat emotionally detached having calmly and politely greeted the trainees in sync with his sister, professionally explaining the details regarding the test. He is somewhat unfazed when Genya Shinazugawa roughly manhandles his sister before being stopped by Tanjiro Kamado, only sarcastically asking is they were finished.[3]
Later, upon his father, mother and sisters' deaths, Kiriya shows an entirely different side to himself, displaying his capabilities as a leader. He immediately jumps into his new position and organizes himself to monitor and command the Demon Slayers on their attack against Muzan Kibutsuji and his Twelve Kizuki,[4] despite just losing half of his family and not even properly having the time to mourn them. He shows more mental fortitude and emotional strength in comparison to Kanata, who momentarily broke into tears in grief.[5] Kiriya is also shown to have had confidence in the Demon Slayers he commanded, as he refused to send Tanjiro and Giyu Tomioka to fight Kokushibo, believing that the combined efforts of Gyomei Himejima, Muichiro Tokito, and Sanemi and Genya Shinazugawa would be enough to defeat him. [6]

Kiriya's severe anxiety due to his new role as Oyakata.
However, once his plan results in the slaughter of many Demon Slayers after Muzan emerges from a fleshy cocoon, Kiriya breaks under stress and stops giving orders, believing that not only would Muzan win and all of their sacrifices and efforts would be in vain, but that he would be solely responsible for it. He is able to pull himself back together after Kuina slaps and encourages him.[7] Although Kiriya would continue to be heavily stressed in the remaining fight against Muzan, and was even injured by his shockwave, he perseveres and continues taking charge even as Muzan is burning in the sunlight. Afterwards, when the corps are disbanded, Kiriya and his siblings are allowed to live their lives as normal children.
Abilities[]
Extraordinary Memory: Kiriya has shown extremely good memory. He and his sisters are able to map out and memorize the nearly constantly changing Infinity Castle, creating accurate maps to navigate and guide the Hashira through it in real-time.
Foresight: Similar to his father and his ancestors, Kiriya has a high, almost prophetic intuition, being able to make accurate guesses and hypotheses that were often proven right through intuition alone.
Leadership Skills: Much like his father, Kiriya displays advanced skills in leading and commanding an army into battle despite his young age. He is able to immediately take command of the Demon Slayer Corps' command structure and assist the Hashira as logistical support, guiding them into battle.[8]
Longevity: Due to their relative, Muzan, becoming the first demon, men within the Ubuyashiki family were cursed with a mysterious illness, causing them to usually die in their thirties. However, after Muzan's death, the curse was seemingly lifted. In fact, Kiriya was blessed with a unusually long life, still being alive over a hundred years later and currently being the oldest living person in Japan.
Relatives[]
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| Kagaya |
| Amane |
| Senri |
| Akito | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Hinaki |
| Nichika |
| Kiriya |
| Spouse |
| Kuina |
| Kanata | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Trivia[]
- Kiriya shares his Japanese and English voice actresses with Madoka Kaname from Madoka Magica.
- He and his sisters are quintuplets.[9] Kiriya is the middle child.[10]
- Despite becoming the family head, Kiriya had wondered for a long time if his sisters were more suitable to be head, as he considers them more intelligent and mentally stronger than himself.[9]
- After the final battle against Muzan, Kiriya feared that he would die when he turned 20 and that the Ubuyashiki clan would cease to exist. He believed that this was due to happen since the clan had completed their duty of defeating Muzan.[9]
- As he grew older past the age of 20 and 30, he realized that the curse was truly gone. This made him cry for hours alongside his wife, children, and sisters.[9]
- Apparently, Kiriya was also quite cowardly as a child, which has factored in him being raised as a girl until the age of 13.[11]
- In the Kimetsu Academy, Kiriya was described as the 'gentle' one of the Ubuyashiki quintuplets.
Quotes[]
- (To Giyu Tomioka and Sanemi Shinazugawa) "This is the final Hashira Meeting. Sanemi. Giyu. You are the only surviving Hashira... and many rank-and-file corps members died. However, we've successfully eradicated the demons. Thus, the Demon Slayer Corps disbands today."[12]
References[]
- ↑ Kimetsu no Yaiba Manga: Chapter 144 (Page 6).
- ↑ Kimetsu no Yaiba Manga: Chapter 205 (Page 14).
- ↑ Kimetsu no Yaiba Manga: Chapter 8 (Pages 21-22).
- ↑ Kimetsu no Yaiba Manga: Chapter 144 (Pages 6-9).
- ↑ Kimetsu no Yaiba Manga: Chapter 147 (Page 2).
- ↑ Kimetsu no Yaiba Manga: Chapter 172 (Pages 4-5).
- ↑ Kimetsu no Yaiba Manga: Chapter 181 (Pages 2-5).
- ↑ Kimetsu no Yaiba Manga: Chapter 144.
- ↑ 9.0 9.1 9.2 9.3 Kimetsu no Yaiba Second Fanbook.
- ↑ Kimetsu no Yaiba Manga: Chapter 144 (Pages 6-7).
- ↑ Kimetsu no Yaiba Manga: Volume 6, (Extra Pages).
- ↑ Kimetsu no Yaiba Manga: Chapter 204 (Page 7-8).