The culprit behind the new serial murders, known for removing the left eyeball of their victims before death. Their identity remains elusive, even when eyewitnesses wearing a Polar Bear costume on-scene.

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Name: Unknown Sex: Male Age: Early 40s Birthday: Unknown Profession: Unknown. Likes: Unknown. Dislikes: Unknown. Hobbies: Unknown. Skills: Unknown. A mysterious inmate currently serving a life sentence at Fuchu Prison for murder. Known only as #89.

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Name: Rohan Kumakura Sex: Male Age: 53 (Deceased) Birthday: January 18 Profession: Previous Kumakura Boss. Likes: Guns, Drugs, Money, Women, Power. Dislikes: Betrayal, Rival gangs, Cops. Hobbies: Politics, Investment fraud, Organ trading, Land speculatio... read more

Name: Rohan Kumakura Sex: Male Age: 53 (Deceased) Birthday: January 18 Profession: Previous Kumakura Boss. Likes: Guns, Drugs, Money, Women, Power. Dislikes: Betrayal, Rival gangs, Cops. Hobbies: Politics, Investment fraud, Organ trading, Land speculation. Skills: Torture. Rohan used to be the previous leader of the Kumakura gang. One year ago, he committed suicide by jumping from the roof of a building. He was known for his horrific torture technique of peeling his victim's skin from toe to thigh.

♀ f 54

Name: Mayumi Matsushita Sex: Female Age: 54 Birthday: August 31 Profession: Part-time Worker. Likes: Floral patterns, Ota, Takero. Dislikes: Witches, Everything that witch does. Hobbies: Cleaning the Shop, Making Soy Sauce. Skills: Everyday Cuisines, Obscure Puns. Mayumi is Ota's mother. Over 30 ye... read more

Name: Mayumi Matsushita Sex: Female Age: 54 Birthday: August 31 Profession: Part-time Worker. Likes: Floral patterns, Ota, Takero. Dislikes: Witches, Everything that witch does. Hobbies: Cleaning the Shop, Making Soy Sauce. Skills: Everyday Cuisines, Obscure Puns. Mayumi is Ota's mother. Over 30 years ago, she and her husband took out significant loans to open Matsushita Diner near the Kabasaki District. She has been running the diner ever since. Lately, her memory has begun to get spotty.

♀ f 36

Name: Shoko Nadami Sex: Female Age: 36 (Deceased) Birthday: January 4 Profession: Investment Company Representative/Director. Likes: To be envied and praised. Dislikes: Someone who hurt her in the past. Hobbies: Winery tours, Scandinavian furniture collection, Pilates. Skills: Lying, Cheating. Shok... read more

Name: Shoko Nadami Sex: Female Age: 36 (Deceased) Birthday: January 4 Profession: Investment Company Representative/Director. Likes: To be envied and praised. Dislikes: Someone who hurt her in the past. Hobbies: Winery tours, Scandinavian furniture collection, Pilates. Skills: Lying, Cheating. Shoko Nadami is Renju's ex-wife, and a representative for a real estate investment company. On a Friday night in November, her body was found on the merry-go-round in the defunct amusement park known as "Bloom Park." Her left eye socket was hollowed out. Shoko makes an appearance in flashbacks during the events of the sequel.

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Name: So Sejima Sex: Male Age: 60 Birthday: December 7 Profession: Congressman Likes: Authority, Fame, Assets Dislikes: Anything that threatens the above Hobbies: Mahjong, Golf; Nishiki carp breeding (AI); Ra... read more

Name: So Sejima Sex: Male Age: 60 Birthday: December 7 Profession: Congressman Likes: Authority, Fame, Assets Dislikes: Anything that threatens the above Hobbies: Mahjong, Golf; Nishiki carp breeding (AI); Raising Koi and Kappa, Kusemon GO (AINI) Skills: Grasping people's weaknesses, applying pressure, and making them obey. In AI: The Somnium Files: Congressman So Sejima is a member of the post-war generation. He grew up poor, which gave him two things: his motivation for seeking power and wealth and his vindictiveness toward the upper class.

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Name: Mamoru Bodai (listed as "Secret" in AI) Sex: Male Age: Unknown Birthday: May 25 Profession: So's Bodyguard (in AI) | Tokiko's Secretary and Bodyguard (in AINI) Likes: Boobs, Erotic novels (AI) | Tokiko (AINI) Dislikes: Men, Males, Testosterones Hobbies: Swimsuit maga... read more

Name: Mamoru Bodai (listed as "Secret" in AI) Sex: Male Age: Unknown Birthday: May 25 Profession: So's Bodyguard (in AI) | Tokiko's Secretary and Bodyguard (in AINI) Likes: Boobs, Erotic novels (AI) | Tokiko (AINI) Dislikes: Men, Males, Testosterones Hobbies: Swimsuit magazines (AI) | Making Scrap Books From Tabloid Magazines (AINI) Skills: Self-defense, Martial Arts (AINI) In AI: The Somnium Files: He is one of So's many bodyguards. Even thought they look alike, they are not clones. They all wear face masks to hide their identity. In AI: The Somnium Files - nirvanA Initiative (Past): Previously worked under So Sejima, but is now the secretary and bodyguard of Tokiko Shigure, . Not the best personality, but is loyal to his employer.

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Name: Takushi Ibarado Sex: Male Age: 54 (in AI) | 55 (in AINI Past) | 61 (in AINI Present) Birthday: November 23 Profession: Taxi driver Likes: Ghosts, Doppelgänger, Fists, Saws, Chimneys Dislikes: People who watch the map on their smartphones the whole ride (AI) | Credit Card Transactions, Anything... read more

Name: Takushi Ibarado Sex: Male Age: 54 (in AI) | 55 (in AINI Past) | 61 (in AINI Present) Birthday: November 23 Profession: Taxi driver Likes: Ghosts, Doppelgänger, Fists, Saws, Chimneys Dislikes: People who watch the map on their smartphones the whole ride (AI) | Credit Card Transactions, Anything High-Tech, Smartphones (AINI) Hobbies: Multi-level marketing Skills: Tails, Sticking around, Keeping things casual (AI) | Stalking, Stakeouts, Taking the Scenic Route (AINI) In AI: The Somnium Files: He is a taxi driver, specializing in driving celebrities and entertainers. He has a special relationship with Lemniscate and often drives their talent. In AI: The Somnium Files - nirvanA Initiative: A private taxi driver. Has an accent. Lemniscate regularly requests his services and he often gives rides to their talents. He's very knowledgeable about them. If necessary, he will take on transporter jobs.

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Name: Takero Matsushita Sex: Male Age: 55 Birthday: February 15 Profession: Owner of Matsushita Diner. Likes: Mayumi, Ota, Matsushita Diner. Dislikes: Customers who don't finish their food. Hobbies: Fishing, Shogi. Skills: Backflip, Thowing knives. Take... read more

Name: Takero Matsushita Sex: Male Age: 55 Birthday: February 15 Profession: Owner of Matsushita Diner. Likes: Mayumi, Ota, Matsushita Diner. Dislikes: Customers who don't finish their food. Hobbies: Fishing, Shogi. Skills: Backflip, Thowing knives. Takero Matsushita is Ota's father and Mayumi's husband. Takero is an ardent student of cooking and very particular about the ingredients he uses. Therefore, his diner attracts many customers but does not make a significant profit. Helping Mayumi is his first priority, decreasing his focus on the diner.

♀ f 36

Name: Hanayo Nasu (in AI and AINI Present) | Hanayo Yogano (AINI Past) Sex: Female Age: 36 (in AI (falsely listed as 24) and AINI Past) | 42 (in AINI Present) Birthday: April 27 Profession: Nurse Likes: Candles, Ropes, Rodeos (AI) | Tengu, Matsutake, Zucchini (AINI Past) | Manual Transmissions (AINI... read more

Name: Hanayo Nasu (in AI and AINI Present) | Hanayo Yogano (AINI Past) Sex: Female Age: 36 (in AI (falsely listed as 24) and AINI Past) | 42 (in AINI Present) Birthday: April 27 Profession: Nurse Likes: Candles, Ropes, Rodeos (AI) | Tengu, Matsutake, Zucchini (AINI Past) | Manual Transmissions (AINI Present) Dislikes: Jocks, Queen Bees (AI) | Dirty Talk, Perverts, Shameless People (AINI Past) | Speed Traps, Traffic Cams (AINI Present) Hobbies: Theater (AI, AINI Past) | Driving (AINI Present) Skills: Can shave really fast (AI, AINI Past) | Drifting, Double-Clutching (AINI Present) In AI: The Somnium Files: She is a member of a small group of actor/nurses. She practices hard, even though she has yet to land a leading role. In AI: The Somnium Files - nirvanA Initiative: It may have said her was 24 somewhere before, but that was in base 16. In base 10, her actual age is 36. That's her actual age. She's in a theater group. Her actual age is 42. She took care of Jin Furue when he was in his late teens. Recently, she got into cars and goes on expressway races when she's off the clock. She's still in the theater group.

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An unnamed police officer present in every crime scene investigation in the series.