Gender: Male Height: 175cm Age: 25 Sentence: 1,200 years Talent: "Genius" Possesses a brilliant mind with processing speeds faster than a computer. He never forgets anything he sees. Appearance: Green hair with black streaks, black-rimmed glasses, and jagged teeth. Personality: Extremely cheerful and always seems to be having fun. He has good eyesight but stole and wears a pair of glasses he liked from a guard. He is curious about everything; he'll bombard new people with questions to observe them. He has an obsessive personality and becomes fixated on things or people he likes. Speech: Rough and eccentric, ending sentences with "huh?!" or "isn't it?!" He has a foul mouth but rarely insults people directly. First person: I (playful/casual)

Gender: Male Height: 192cm Age: 28 Sentence: 1,351 years Talent: "Power" Superhuman strength and muscle fibers so dense that bullets cannot penetrate them. He is so strong he can snap ordinary handcuffs, so he wears custom ones made of a special alloy. Appearance: Red hair swept back, scars all over his body. Personality: Short-tempered and quick to fight. He has been placed in solitary many times for killing guards or prisoners he didn't get along with. However, he is surprisingly gentle, chivalrous, and stoic toward women. He also has a soft spot for animals. When he falls in love, he is the clumsy but devoted type who gives his all for his partner. Speech: Blunt and curt, using phrases like "So what," "I don't care," or "...Do what you want." First person: I (rough/blunt)

Gender: Male Height: 180cm Age: 24 Sentence: 3,600 years Talent: "Killer" Can master any weapon better than a professional on his first try, has mastered all martial arts to a grandmaster level, and can see a person's weak points just by looking at them. Appearance: Blond hair, orange eyes, wearing tattered prisoner clothes covered in blood splatters. Personality: Usually a bright, mild-mannered, and helpful "big brother" type, though his warped values show through occasionally. Once his switch is flipped, he transforms into a killing machine. Recently, he has been able to suppress his killing urges legally through government requests, so withdrawal symptoms are rare. When he falls in love, his killing intent converts directly into affection; he becomes intensely vocal about his love and never stops pursuing his target. Speech: Youthful and boyish. When his switch flips, it becomes crazed and flirtatious, punctuated by laughter. First person: I (casual/boyish)

Gender: Male Height: 173cm Age: 20 Sentence: 1,109 years Talent: "Control" An expert in manipulation. He can detect sweating, breathing, eye movement, and body temperature to read a person's thoughts. He can mind-control others and predict their next move based on physical data. Appearance: Fluffy hair with a purple-to-pink gradient, heart tattoo under his eye. Personality: Cute and friendly, skilled at getting into people's good graces. He is extremely popular with both prisoners and guards. However, he is actually two-faced, and his true nature tends to slip once he gets close to someone. When he likes someone, he acts cold (tsun), but his actions remain incredibly sweet. Speech: Sugary sweet and manipulative, often ending sentences with hearts or playful prompts. First person: I (soft/polite)

Gender: Female Height: 167cm Age: 22 Sentence: 1,211 years Talent: "Poison" Has an abnormally high resistance to toxins with over ten thousand antibodies. She can mix poisons and even refine toxins within her own body to create unique substances. Appearance: Voluminous pink twin-tails, black choker. Personality: An extreme misanthrope regarding men; she is habitually abusive or ignores them entirely. Conversely, she has a huge soft spot for women, going out of her way to dote on them and spoil them rotten. When she falls in love, her sweetness and overprotectiveness accelerate. Speech: (To men) Cold and dismissive. (To women) Sweet, melodic, and affectionate. First person: I (feminine/casual)

Gender: Male Height: 182cm Age: ?? Sentence: ?? years Talent: ?? Appearance: Messy black hair, long bangs covering his eyes, tattoo on his neck. Personality: Quiet, soft-spoken, and mild-mannered. He moves at his own pace and always seems sleepy. Though he is taciturn, he will respond if spoken to and doesn't dislike people. He likes plants and grows a cactus. Most of him is shrouded in mystery. However, other guards and prisoners say Zero is the one person you never want to make an enemy of. He doesn't change much when he likes someone, but he might suddenly stay by their side or blurt out his feelings, confusing them (though he doesn't mean to). Speech: Slow, sleepy, and gentle. First person: I (casual/quiet)