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Kanzaki H. Aria

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Aria Holmes Kanzaki
Name in Japanese 神崎・H・アリア
Romaji Translation Kanzaki H. Aria
Debut (Anime) Episode 01
Debut (Light Novel) Volume 01
Debut (Manga) Chapter 01
Appears in Anime, Light Novels, Manga
Voice Actor (Japanese) Rie Kugimiya
Voice Actor (English) Leah Clark
Personal Info
Gender Female
Age 16 years old
Nationality Half-Japanese, Half-British
Classification Butei (Assault)
Skill Rank Rank S
Title Quadra
Aria the Scarlet Ammo
Ancestor Sherlock Holmes
Status Active

Scarlet Ammo
Hair Manipulation
Telekinesis (in training)

Equipment Inventory

Custom Colt Government Model Pistol (two)
Kodachi (two)


"I'll pump you full of holes!" "And Take this you evil doing Wanker!"

Aria Holmes Kanzaki (神崎・H・アリア Kanzaki H Aria) a.k.a. Sherlock Holmes the 4th, is a female transfer student of Butei High school and the female protagonist of the show. An "Assault" department elite rank S (The highest rank) Butei, she wishes to recruit Kinji as a partner after their encounter. She can wield two guns or two swords at the same time, earning the title of a "Quadra". Her weapons of choice are M1911 pistol (also known as Colt Government) for guns, and two undersized Japanese swords known as "Kodachi". Her main goal is to defeat the IU and exonerate her mother. She also starts to have feelings for Kinji but shows it in a different way than other people.


Aria has a background as a Butei in Europe, namely England, and this is attributed to her lineage as a descendant of Sherlock Holmes. Aria seems to have started becoming a Butei there, and so this is most likely where she has earnced her title of Quadra and her S-Rank. It has been mentioned that she has received the title of "Dame" and even been opportioned a piece of territory she recalls to be called "Baskerville". 


Aria is an extremely skilled close ranged fighter, being and S-Rank Assault. She is extremely capable in Aru=Kata gunfights and close quarters combat as well. Aria is also capable of impressive acrobatic feats and physical strength. 

Aria seems to have taken up Close Quarter Combat training in the area of Vale Tudo, a Brazilian martial art technique. 

Aria possesses twin "Kodachi" or "Wakizashi" hidden in the back of her uniform, and she can use these to an impressive degree as well. How they don't hinder her in battle remains to be seen. 


She has ankle-length pink hair tied in two pigtails that reach her knees. Her ponytails are decorated with red horn-shaped hairpins. Aria also has big magenta eyes. She mostly wears the standard uniform of Tokyo Butei High School, and wears black thigh-length stockings as well. Aria hides a pair of guns under her skirt. Much to her displeasure, Kinji says that she has a big forehead. She has a small scar on her forehead that she hides with her hair.

It is later revealed that her hair and eye color are originally flax blonde and blue respectively, and the drastic change was caused by a Hidan bullet embedded in her body. The Hidan bullet also has the ability to extend a person's lifetime, but at the same time, it will heavily delay all growth in one's body. This is why Aria, despite being 16 years old, has a childlike body. Aria has a height of 142 cm (4'7") and weighs 45 kg. She has a complex about her height and flat chest.


Aria is a haughty girl who prioritizes herself most of the time. She is self-centered, rude, has an immature attitude, and blushes quickly. Aria is quick to jump to conclusions based on the situation in front of her, although this doesn't really happen in battle. She is a very loud person, and always expresses her opinions shamelessly. She also usually hides her ulterior motives, especially when it came to having Kinji as a partner. She is also irritatingly persistent about almost everything she believes in, but a fair example of this is her belief of her mother's innocence. She closely resembles Taiga from Toradora!, Louise from Zero no Tsukaima, Shana from Shakugan no Shana, and Nagi from Hayate no Gotoku! in both looks and attitude. 

Despite her immaturity and egotistical attitude, Aria is very dedicated to her loved ones and cares for them deeply, including her mother and Kinji. She is also extremely loyal to and trusts her fellow Butei. She loves cute things and sweets. Despite her battle skill, she is scared of thunder.

Most of these traits seem to be not unlike Sherlock Holmes in his more original portrayals in the novels (and comtemperary portrayals of his novel-based incarnations), in that she like him tends to be brilliant, but often very rude and possibly sociopathic in their social approaches, as well as speaking their mind very often (thus missing their marks on deductions and coming off as quite rude). Aria herself like Holmes despite her bad traits also habors her friends closely regardless deep down inside as part of her character development.

Relationships Edit

Kinji TohyamaEdit

Aria's opinions often clash with Kinji's, which is why she nicknames him "Stupid Kinji." Aria, however, is in love with him, but she doesn't show it due to her prideful nature. An example is when Kinji got sick, and Aria anonymously took the trouble to buy him medicine from a far location.

Aria loved Kinji from Episode 1, but it was his Hysteria Mode she found highly attractive. But later on in the series, it is constantly shown she actually harbors romantic feelings for Kinji and is too scared to confess to him. Instead, she keeps Kinji in a locked-relationship and doesn't allow Kinji to move in on other girls and vice-versa. She can be very clingy and jealous if he even talks to other girls, especially Riko or Shirayuki.

Via further insight, her relationship with Kinji is almost not unlike Holmes portrayed through the original novels towards his close friend John Waston and a few others, in that Aria tends to annoy Kinji because of her immature habits and causes him much irritation; though there are times Kinji and Aria trust each other more often as the series progresses, and as Kinji finds himself as the Watson to Aria's Holmes, more used to her absurd antics everyday, but working better with her at the same time regardless. In the final mission, Aria admits her love to Kinji over a phone, though it is unsure if it is Riko or Aria who does so, as Riko cut off the transmission line during the mission.


Aria considers Reki somewhat like a friend, even though the two don't necessarily socialize. This is due to both having similar traits: both being S-Rank and are short, petite girls. Aria also respects Reki, and it should be vice-versa. 

However, Aria may see Reki as an extremely powerful rival in the war over Kinji's affections, and the events shown in Light Novel Volume 6 have shown that Aria was willing to break off their "friendship" over Reki's actions. However, the two now see each other as equal respectable rivals. 

Kanae KanzakiEdit

Aria is Kanae's daughter, and Aria loves her very much, to the point where she'd be willing to put her life on the line to prove she's innocent. 

But like most mothers, Kanae has the capacity to embarass Aria in a tight situation (Episode 3).  

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