Protagonist
The main protagonist of the game. He is an inspector who has to enter a program in order to check up on the 10 HANOI and reduce their stress level.
- Nice Guy: Coral is seen as very warm and empathetic towards the HANOI and he is actually one of the only people who treats them normally compared to other inspectors/humans. He is very considerate of everyone's feelings and tries to reassure everyone as much as he can.
- Nerd Glasses: He wears glasses during the entire game. If glasses aren't enough for the "nerd" stereotype, he works with computers and technology.
- Invisible Parents: During a friendship event with Mira, Coral reveals that his parents weren't that present for him, as they entirely put his care into a Caretaker HANOI.
HANOI's
Missionary HANOI, Model n.13, Stress: 42. He is skeptical about God's existence. He was invited by his master, the bishop, for an urgent matter, but his stress level is the lowest among the 10.
- Improvised Cross: Adam's weapon is a cross made out of two sticks and a few threads. It seems to be made quite hastily.
- The Gadfly: Despite being a missionary, he isn't afraid of saying that God doesn't actually exist. He says that he found out about it on the Internet, and he even proceeded to speak to other religious people about it. Obviously, he received a lot of complaints.
Singing HANOI, Model n.35, Stress: 77. Belongs to Mei ldolil's office. She has a strong distrust of men. She doesn't show any aggression towards humans, but her stress level can make her aggressivetowards them (or maybe just men?)
- Does Not Like Men: Her dislike towards them is mentioned in her biography but also seen with her first interactions with Coral, for example.
HANOI for acrobatics, Model n.32, Stress: 89. She used to belong to the East Circus Troupe, but was invited because of an escape attempt in the past. Stress value is the highest among the 10 members.She has lost her voice for various reasons.
- The Speechless: Crayon is physically unable to speak and uses cardboards and crayons to write what she wants to say.
- Genki Girl: Despite her difficult past, Crayon always acts cheerful and friendly with everyone.
Cooking HANOI, Model n.23, Stress: 79. He was working in a famous three star restaurant, buthe wasn't aggressive toward people because he wasvery reluctant to work.
- Supreme Chef: Working in a high rank restaurant, and being a cooking HANOI, it's only safe to assume that he excels at cooking.
HANOI for customer service, Model n.24, Stress:77. Although not aggressive on the surface, this HANOI was called because of the high number of responses indicating a high level of stress toward humans. Although she uses feminine expressions, she is originally a male HANOI.
Pet HANOI, Model n.03, Stress: 75. She is somewhat anti-master. She had been living in Mr. Ilinski's atelier, but was invited by the viceroy to be his emissary because of her high level of stress andher dangerous thoughts.
HANOI for childcare, Model n.17, Stress: 63,5. Although there is no immediate work related and the patient is a bellwether, many respondents suspected neurosis at work so the patient was invited to the inspection. There is no danger for humans.
HANOI for miscellaneous work, Model n.21, Stress: 87. Strong and determined rebelliousness against people. Used by the TOR 0 family. Arrested and prohibited. The police didn't approve of his dangerous thoughts and have given it priority attention.
Sprite vessel HANOI, Model n.44, Stress: 68. Lives at the Tamuke Shrine in the military region. Convened due to her reluctance to work and high stress level. Somewhat rebellious towards her master.
- Kimono Is Traditional: She wears a red kimono.
Military HANOI, Model n.01, Stress: 56. He obeys the orders of those he considers his enemies. He has dangerous thoughts in battle. Forsuperiors but tends to be more aggressive than necessary against those who he considers hismilitary use, no war correction.
- Blood Knight: Roland is particularly aggressive and violent towards his enemies. He tries to destroy them as much as possible and it is even said that he has multiple "dangerous" thoughts during battle.