The list of characters that appeared in Kuroshiro Quartet.

Kuroshiro BrothersEdit

The Kuroshiro brothers are the main characters of the story. They are tasked of keeping the gap between the natural and supernatural world separate, and hunts down any supernatural thing that preys on humans. Like all member of the Kuroshiro family they are skilled in magic. Throughout the series the brothers are noted to be very attractive, skilled in magic and weaponry, most of the weapons they used are either swords and guns. Most of the soul weapons the Kuroshiro uses are sword-types. Most of the time where cases involve only the two of them, Kamui and Zero are usually paired together while Sora and Seiichi are paired in cases involving their school or circle of friends.

Sora KuroshiroEdit

Kuroshiro Sora (黒白 空)
voiced by
Miyu Irino (Japanese)
Bryce Papenbrook (English)

  • Age: 16

Is the initial protagonist of the series. He is known for his positive attitude and delicate face which shows no trace of masculinity, allowing people to easily mistake him for a girl. He is kind, naive, selfless, sensitive, intelligent, and helpful in which girls finds him attractive and wants to be near him, and they flustered when they are near him, and he doesn't seem to mind, but sometimes flustered when a girl's face is close to his face within a short distance. In later chapters it is revealed that he owns a motorcycle and is licensed to operate it. A running gag in the series is that Sora is unnaturally lucky when he does a good deed for anyone, if you don't count almost getting killed or dying a lot of times.
His specialty is creation magic, reinforcement magic, and counter-magic, his is skilled in swordsmanship, marksmanship, and archery, and is a dual-wielder when using weapons. He is equip with two modified M1911 pistols which help him cast spells as well as double as regular guns, but Sora prefer to use katanas rather than handguns, because of his skill in swordsmanship and find swords crafted beautifully to use and look at. He later gain a magic bow that can fire arrows made from magical energy. He has two soul weapons which are named respective named Yin (陰) and Yang (陽). In later chapters it revealed that Yin and Yang are part of his true soul weapon Ken no Mugen Sekai (剣の無限世界 "Infinite World of Swords") which is his ultimate form of his soul weapon.
Yin (陰) is a pitch black one-handed straight long sword with trims of gray and is evenly balanced and quite powerful. It leads up to a hilt that is exactly perpendicular to the grip and is designed to look like a pair of conjoined dagger blades. The blade is completely black like the rest of the sword and the said blade is outlined in a light gray. While Yang (陽) is a completely white version of Yin, it is a completely white one-handed straight long sword that is evenly balanced and quite powerful. It leads up to a hilt that is exactly perpendicular to the grip which is silver and is designed to look like a pair of conjoined dagger blades. The blade is completely white like the rest of the sword. Both of the swords have a yin-yang symbol in the center of the guard.
Buki genban (武器原盤 "Weapon Master") is the ultimate form of Sora's soul weapon, when Sora activate his ultimate form he gained a white-hooded cowl and sleeve of magical energy which covers his shoulders and arms and possesses a certain degree of sentience, the cape of the cowl is released as a webbing of magical energy that can be used to grasp objects, immobilize opponents, or form hardened spikes to impale enemies. Sora can summon various different weapons in his hands, but he can summon weapons for both his hands and switch one of the swords in his hands with another one from his dimensional arsenal.
Ken no Mugen Sekai (剣の無限世界 "Infinite World of Swords") is the true ultimate form of Sora's soul weapon, it is a a spell that makes Sora's inner world materialized and projected onto reality, the inner world of Sora is a barren wasteland filled with countless swords anchored to the in the ground like grave markers in a wasteyard. When Sora activates this form of his soul weapon, he can create and summon up countless weapons from simple to legendary and use them, the drawback is that Sora must create a weapon he has already encountered and it must be constructed from raw materials found in the planet during the present era, Sora can only make close combat weapons like swords, spears, and halberds with great ease as Sora has an affinity with swords, it is impossible to record or reproduce modern weaponry like guns and other mobile weapons, while shields and defensive armaments can be reproduced with a much greater struggle. But Sora can manipulate the weapons he created and summon unlimited number of them to attack his opponents by directing where the weapons should go.
He is based off of Shirou Emiya from Fate/stay night and Kirito from Sword Art Online.

Seiichi KuroshiroEdit

Kuroshiro Seiichi (黒白 星一)
voiced by
Koki Uchiyama (Japanese)
Todd Haberkorn (English)

  • Age: 16

Is Sora's adoptive brother. He is known for his constant glares and snarky remarks. Seiichi is like Sora, he is kind, selfless, and helpful, but he isn't positive, he is mundane, and he serves as the straight man to the Kuroshiro brothers, as the one with the most common sense next to Zero. He seems to have a crush on Sakura Shiroyama, and jealous of Sora's closeness with Sakura. Despite his jealousy of Sora, he think of Sora as family as well. A running gag is while Sora is naturally lucky, Seiichi is the opposite and is naturally unlucky. Despite being one of the main characters Seiichi gets less story development in the series than his brothers, who gets more story developments involving them, so his role in the series is the audience surrogate or supporting protagonist.
His specialty is strongly counter-magic followed by reinforcement magic, he is skilled in hand-to-hand combat armed or unarmed as well as swordsmanship, he uses magic-reinforced gauntlets as his weapon of choice, but he also uses chromed Beretta 92FS since he can't just fight with close-combat methods. His soul weapons is Hakkō (白光騎士 "White Light").
Hakkō (白光 "White Light") is a lightsaber-like weapon, it's initial form is the hilt which is silver and approximately 20 to 30 centimeters long, it has a black grip as well as a red button, when pressed activates the blade of light which makes the weapon the exact size of a long sword.
Hakkōkishi (白光騎士 "White Light Knight") is the ultimate form of Seiichi's soul weapon, it takes form of a white robotic armor that covers Seiichi's body, it is equipped with an energy sword and palm blaster, and has energy wings, which helps it fly.
He is based off of Kyon from The Melancholy of Haruhi Suzumiya and Ichika Orimura from Infinite Stratos.

Zero KuroshiroEdit

Kuroshiro Zero (黒白 零)
voiced by
Mamoru Miyano (Japanese)
Yuri Lowenthal (English)

  • Age: 20

Is Sora's and Seiichi's older adoptive brother and currently a college student at Monogatari Academy University Division. He is known to be very tall and have shaggy brown hair that grows longer and smoother in later story arcs. He is usually kind, empathetic, intelligent and independent. Because of his intelligence, Zero is usually assigned the role of researching information for hunts; he is the "brain", whilst his older brother Kamui is the "muscle". A running gag is that wherever people see him and Kamui together, they are often mistaken for a gay couple and another running gag is that his tall height is noted by many other characters and many quips were made about it.
His specialty is his eye magic dubbed the "Shinigami Eyes", which makes the eyes glows red. He also has psychic powers which appeared after he turned 20. Zero uses a Taurus Model 99 with mother-of-pearl grips. Zero also uses a pistol grip 4-shelled 12 gauge shotgun loaded with rock salt. Zero often uses close range weapons while Kamui seems to prefer the longer range weapons (except for his Zanryū). His combat style is emphasize on speed contrary to his older brother who emphasizes on power. His soul weapon is Kurogetsu (黒月 "Black Moon").
Kurogetsu (黒月 "Black Moon") is a completely black chokuto, which channels an electric aura on the blade.
Kokuyo Jigoku(黒夜地獄 "Black Night Hell") is the ultimate form of Zero's soul weapon, it transforms into a completely black daitō (Japanese long sword) with a black blade instead, it gained a cross guard has four prongs bent out to form the shape of the manji, and also a short length of chain with a broken link at the end dangles from the base of the hilt. Zero also gained a coat which is made of black lightning that covers his entire body, and a white skull mask covers his face, which makes him look like the Grim Reaper.
He is based off of Sam Winchester from Supernatural.

Kamui KuroshiroEdit

Kuroshiro Kamui (黒白 神一)
voiced by
Jun Fukuyama (Japanese)
Johnny Yong Bosch (English)

  • Age: 22

Is Zero's older brother by blood. He is known for his black leather jacket and drives around in his 1967 Chevrolet Impala. Kamui is shown to be by turns understanding, funny, mischievous, and, in contrast to his younger brother Zero, a little immature. Kamui is an avid fan of classic rock music. He is known to use crude humor, use pop culture references, make sexual innuendos, and indulge in pornography. Kamui values his family's safety over anything else. Even though Kamui keeps himself in excellent physical shape, he is known to have very bad eating habits. He is often shown enjoying greasy, fattening or otherwise unhealthy food, especially cheeseburgers and pie, and dismisses salads as "rabbit food". Kamui is terrified of flying and claims that is the reason why he drives everywhere. Despite his working knowledge of the supernatural, Kamui is skeptical with regard to the "good aspects of religion." A running gag is that many assumes that he sleeps with a different women every night.
His specialty is elemental magic, he tends to use a brushed stainless steel Colt 1911 with pearl grips, and also uses a Baikal sawed-off double barrel shotgun when he needs extra firepower, His soul weapon is the Zanryū (斬龍 Slaying Dragon).
Zanryū (斬龍王 Slaying Dragon) is a sword which takes shape like an oversized khyber knife with a ring on the pommel, it has no tsuba and no proper hilt; what Kamui holds is the cloth-wrapped tang, which is red on the grip area, a cloth tied to the ring seems to react to Kamui's will, changing length at a thought or twining about the blade in an impromptu sheath. The blade is black with a silver edge, it has the power to use any element the user desires.
Tenzan Ryūō (天斬龍王 Heavenly Slaying Dragon King) is the ultimate form of Kamui's soul weapon, it transforms into a 30-foot full armored humanoid dragon which wields a giant sword in combat, Kamui controls the dragon with his entire body, any moves Kamui make the dragon do the exact actions.
He is based off of Dean Winchester from Supernatural.

The OrderEdit

An organization charged with protecting the gap between humans and the supernatural and keeping their work a secret. Members mostly comprises of humans and somewhat supernatural beings like monsters and such. The Order roster mostly comprises of hunters (humans who use tools and have no special powers), magic-users (humans who uses magic), and researchers (members of the Order who supports the deployed teams with information about their cases).
The Order is based on the Black Order from D.Gray-man and the True Cross Order from Blue Exorcist.

Yuno IchiboshiEdit

Ichiboshi Yuno (一星 湯野)
voiced by
Sayaka Ohara (Japanese)

  • Age: Late 20s

The director of the Order's Japanese branch, according to Kamui is a real slave driver. She is based off of Yuko Ichihara from ×××Holic.

Monogatari AcademyEdit

Monogatari Academy (物語学園 "Monogatari Gakuen") is an school in Tokyo with an elementary school, middle school, high school, and university division, it has ties with the Order. It is where the youngest Kuroshiro brothers, Sora and Seiichi attends, it's alumni include Kamui and Zero.

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