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The protagonist. A boy who spends his days as an inmate in Jail. He’s a little timid, but also has a strong side. He is a kind-hearted soul who occasionally tries to protect his friends by throwing his own life on the line. He’s taken by Akazukin... read more

The protagonist. A boy who spends his days as an inmate in Jail. He’s a little timid, but also has a strong side. He is a kind-hearted soul who occasionally tries to protect his friends by throwing his own life on the line. He’s taken by Akazukin, who came to save Alice, to break out of jail. As support for the Chishiki Girls Squad, girls who fight while wounded and wish to become women of power, they attempt to escape Jail. Although, he’ll later also obtain a blood-type (Chishiki) ability and be discovered a “Chishiki Boy”…

♀ f

A powerful girl who boldly traverses through the Jail. She likes that Jack has guts and enjoys having something to manipulate, in other words enjoy dragging him around. She is said to be the first-discovered Chishiki Girl and though rough, acts a... read more

A powerful girl who boldly traverses through the Jail. She likes that Jack has guts and enjoys having something to manipulate, in other words enjoy dragging him around. She is said to be the first-discovered Chishiki Girl and though rough, acts as an older-sister type that watches over the girls. However, her hot-blooded instincts can sometimes cause a panic.

♀ f

Initial Class: Fighter Jack's childhood friend who was kidnapped by the Marchen and thrown into the Jail together with Jack when they were younger. Ever since then, they have been kept alive there as inmates. Though calculative and serious most o... read more

Initial Class: Fighter Jack's childhood friend who was kidnapped by the Marchen and thrown into the Jail together with Jack when they were younger. Ever since then, they have been kept alive there as inmates. Though calculative and serious most of the time, Alice lets her emotions free when she talks to or talks about Jack. After getting rescued by Akazukin, she finds out that she is one of the Chishiki Girls, meaning that she reacts uniquely to the Marchens's blood and is able to fight against them.

♀ f

Initial Class: Marshal A prideful young girl who exaggeratedly talks and acts like a rich lady. She has a tendency to lose track of what she says when speaking with Jack. Despite this, Cinderella has sudden mood bursts at times and is actually v... read more

Initial Class: Marshal A prideful young girl who exaggeratedly talks and acts like a rich lady. She has a tendency to lose track of what she says when speaking with Jack. Despite this, Cinderella has sudden mood bursts at times and is actually very modest. She also gets easily depressed when she's called out, thinks she may have worried someone or when somebody attacks her "mask". This also happens when she loses any part of her clothing and starts thinking she is nothing but a useless and ugly human. It also seems she's not used to being praised by others.

♀ f

Initial Class: Mimic A very curious and intelligent girl, she loves researching the environment and people around her, but what doesn’t interest her is met with a lack of emotion. She has a habit of speaking without moral views. She seems to hold an interest towards read more

Initial Class: Mimic A very curious and intelligent girl, she loves researching the environment and people around her, but what doesn’t interest her is met with a lack of emotion. She has a habit of speaking without moral views. She seems to hold an interest towards Jack, viewing him as a good-natured person. Because Gretel lacks common sense, she often makes quite frank and weird remarks at the other girls around Jack which make them cringe, but she seems fine with that, and may even enjoy their reactions. She also likes manipulating people on a certain level, such as managing to make Rapunzel give most of her candies to her.

♀ f

Initial Class: Sniper A girl who is always holed up in her room, who won’t fight unless her demands are satisfied. She is extremely lazy, and rides a big vehicle called "Bamboo No. 1" both when she moves and fights, rarely moving her body on her own. When she first met read more

Initial Class: Sniper A girl who is always holed up in her room, who won’t fight unless her demands are satisfied. She is extremely lazy, and rides a big vehicle called "Bamboo No. 1" both when she moves and fights, rarely moving her body on her own. When she first met Jack, she thought of him as a convenient errand boy who will go out to get the things she wants, but as they overcome all sorts of difficulties together, her heart will gradually open up to him. She may or may not have the ability to release the “Truant Seven Tools” from the hem of her skirt…

♀ f

Initial Class: Archer The youngest of the three sisters, she has a mysterious manner of behaving. Due to her aimless manners, there are many scenes where she bewilders Jack, but she also extends a hand (or breast) to Jack when he is troubled. She... read more

Initial Class: Archer The youngest of the three sisters, she has a mysterious manner of behaving. Due to her aimless manners, there are many scenes where she bewilders Jack, but she also extends a hand (or breast) to Jack when he is troubled. She rarely speaks words, but often conveys her intentions by nodding or shaking her head instead. When she does speak, her voice sounds drowsy.

♀ f

Initial Class: Magician The eldest of three sisters belonging to the Chishiki Girls Squad. Given that she is the eldest, she is strict with Jack and is often seen scolding him. Even when she wants to compliment Jack when he’s done something prais... read more

Initial Class: Magician The eldest of three sisters belonging to the Chishiki Girls Squad. Given that she is the eldest, she is strict with Jack and is often seen scolding him. Even when she wants to compliment Jack when he’s done something praiseworthy, she has a hard time doing so, as she can be quite bashful at times. She left a single cell floor before meeting Jack and company, and assumed she completed her mission successfully, but…

♀ f

Initial Class: Pierrot The youngest of the girls who has very long blond hair. At first, she mistakes Jack as the emergency rations and attempts to gnaw him, but as he cares for her by feeding and playing with her, they gradually become attached ... read more

Initial Class: Pierrot The youngest of the girls who has very long blond hair. At first, she mistakes Jack as the emergency rations and attempts to gnaw him, but as he cares for her by feeding and playing with her, they gradually become attached to one another. Rapunzel likes to sleep on Nemurihime’s chest and is often witnessed napping with her.

♀ f

Initial Class: Scientist The middle child of the three sisters who is kind and gentle to anyone she comes into contact with. She speaks kindly to Jack, who is wrapped around the fingers of the girls, and tries to lend a hand, but her clumsy natur... read more

Initial Class: Scientist The middle child of the three sisters who is kind and gentle to anyone she comes into contact with. She speaks kindly to Jack, who is wrapped around the fingers of the girls, and tries to lend a hand, but her clumsy nature often has an undesirable result. Whether it’s her lack of self-confidence or a result of cause and effect, there is a side to her that’s afraid to look in the mirror.

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A researcher living in the Jail, he is more knowledgeable of the place than any of the other people in there.

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One of the few blacksmiths in Prison who makes weapons for the Chishiki Squad. While he has a bad attitude with an equally bad mouth and loves taking breaks, he also likes giving Jack and the girls advise sometimes.

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A calm guy who is a member of the religious cult "Taiyou". He is loyal towards the cult's leader Michiru and is always next to her, explaining the things she says to others. Hitsuka also works as a security guard who guards off-limited areas and e... read more

A calm guy who is a member of the religious cult "Taiyou". He is loyal towards the cult's leader Michiru and is always next to her, explaining the things she says to others. Hitsuka also works as a security guard who guards off-limited areas and ensures that nobody enters them.

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The gatekeeper guarding the entrance to the Liberated District. His kind face is always smiling, but there’s a strange sense of pressure in his expression. Despite being a normal human, he's strong enough to hold off Märchens.

♀ f

Haru's assistant. She also sells all kinds of tools at her shop.

♀ f

The leader of a religious cult called "Taiyou" ("The Order of the Sun" in English version) inside the Jail which claims that "Some day, the Sun God will burn down the ceiling and we'll be able to leave this place." While she is known by the name of "Oohime" in the cult, she still calls herself by he... read more

The leader of a religious cult called "Taiyou" ("The Order of the Sun" in English version) inside the Jail which claims that "Some day, the Sun God will burn down the ceiling and we'll be able to leave this place." While she is known by the name of "Oohime" in the cult, she still calls herself by her real name, Michiru. She always talks mysteriously, like a real divine being.

♀ f

A doctor who is regarded as everyone's older sister. She keeps up a clinic called Rescue Center in which the Chishiki Girls can purify themselves from blood, decrease their madness gauge and get their wounds treated. She is always ready to listen and give advice to anyone in need of. She's also fond... read more

A doctor who is regarded as everyone's older sister. She keeps up a clinic called Rescue Center in which the Chishiki Girls can purify themselves from blood, decrease their madness gauge and get their wounds treated. She is always ready to listen and give advice to anyone in need of. She's also fond of working with the professor on his research of the Jail.

♀ f

A girl whom Tsuu's squad found while investigating the underground caverns. She has the ability to instantly lighten up the atmosphere around her. She is also childhood friends with Mamoru. She... read more

A girl whom Tsuu's squad found while investigating the underground caverns. She has the ability to instantly lighten up the atmosphere around her. She is also childhood friends with Mamoru. She is often found at the rescue center where she tends to the survivors and the Märchens working under Hameln.

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A young man found during Otsuu's exploration in the underground caverns. Though not as strong as the others, he makes up for it with his intelligence, analyzing tense situations for solutions. He is often found at the laboratory, and is constantl... read more

A young man found during Otsuu's exploration in the underground caverns. Though not as strong as the others, he makes up for it with his intelligence, analyzing tense situations for solutions. He is often found at the laboratory, and is constantly conducting research on the Blood Maidens and the Jail. He is a long time friend of Kaede, who still, to this day, treats him like a kid.

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A girl found during Outsuu's exploration in the underground caverns. She's a bit of a spitfire who's quick to pick fights, but is also very reliable and supports the Blood Maidens at their time of need. She is often found at the store where she s... read more

A girl found during Outsuu's exploration in the underground caverns. She's a bit of a spitfire who's quick to pick fights, but is also very reliable and supports the Blood Maidens at their time of need. She is often found at the store where she sells a variety of goods. She can't seem to stop pestering Itsuki, constantly teasing him as if he was a kid.

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Hikari's childhood friend whom Tsuu's squad also found while investigating the underground caverns. Though his eyes give an aggressive first impression, Mamoru is a kind and thoughtful boy who g... read more

Hikari's childhood friend whom Tsuu's squad also found while investigating the underground caverns. Though his eyes give an aggressive first impression, Mamoru is a kind and thoughtful boy who gets along with everyone, and becomes an important to ally to Tsuu's squad. He is usually found guarding the base as the gatekeeper, and supports the Blood Maidens as a handyman of sorts. He is also the protagonist for the prequel novel.

♀ f

A beautiful girl who values others' happiness more than her own and works hard to make sure the people around her happy. Though she has both a gentle personality and way of speaking, Ningyohime has a stubborn side to her as well. She is madly in love with read more

A beautiful girl who values others' happiness more than her own and works hard to make sure the people around her happy. Though she has both a gentle personality and way of speaking, Ningyohime has a stubborn side to her as well. She is madly in love with Tsuu who told Ningyohime she'll be her "prince" when they were younger.

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A young man found during Outsuu's exploration in the underground caverns. Somewhat of a narcissist and eccentric, he likes changing speech patterns for some reason. In fact, he changes his way of speech so often that it's hard to tell what his tru... read more

A young man found during Outsuu's exploration in the underground caverns. Somewhat of a narcissist and eccentric, he likes changing speech patterns for some reason. In fact, he changes his way of speech so often that it's hard to tell what his true personality is like. He is often found at the factory where he crafts and strengthens the Blood Maidens' weapons. He acquired this skill after his tenure working at Dawn's factory.