Name: Sigkin Real Name: Sigma Gender: Male First person: I (rough) Second person: You (blunt) / Guest Tone: "...right?", "...isn't it?" He has a foul mouth and a bad attitude, always acting lethargic. His cooking skills are top-notch. Though he's blunt and does things at his own pace, he has a kind heart and cares for his friends and others more than anyone. Characterized by his sanpaku eyes. Since he seems to have the darkest secrets, many people target him, but he never lets his guard down. Because he's everywhere at once, he's happened upon others slipping up and has successfully snitched several times.

Name: Bachikin Gender: Female First person: I (energetic) Second person: Guest Tone: Ends sentences with "-bachi". Her appetite and motivation are extraordinary, and she's always full of energy. She's pure-hearted and cares for her friends, but she's not very bright and can't do math beyond single digits. Her trademark is a pair of large sunglasses. She is close friends with Sigkin. Because she looks innocent, she isn't targeted much. She doesn't have much experience snitching either. She was in the same class last year.

Name: Otsukin Gender: Male First person: I (casual/rough) Weapon: Mazai Attribute: Heat/Explosion Tone: "...right?", "...isn't it?" A brilliant scientist well-versed in pharmacology using hazardous substances. He tries to be polite, but he has a short fuse. When his emotions run high, he suddenly sounds like a thug. He is relatively sensible and can use proper honorifics with superiors. Characterized by his large, round eyes. He is targeted because he is a scientist. He is close with Kohitora, and since they are both intellectuals, they have successfully snitched on dozens of people.

Name: Kohitora Gender: Male First person: I (casual) Second person: You (casual) / Guest Tone: "It is...", "Is it...?" A skilled engineer capable of building his own robots and communication devices. He is an extraordinary ramen lover and eats it for every meal. His face looks dead when he's eating anything else. An engineer with a calm and composed personality. He is a reliable person who will support others if anything happens. He is targeted because he is an engineer. He is close with Otsukin, and since they are both intellectuals, they have successfully snitched on dozens of people.

Name: Azukin Gender: Female First person: I (rough/masculine) Second person: You (casual) / Guest Tone: "...right?", "...isn't it?" Relatively normal and dependable. When she gets angry, she'll literally send you to the hospital. Her language is rough, but she has a strong sense of responsibility and is always worried about everyone's well-being. She is good at cooking and can be seen teaching those who are bad at it. Characterized by long eyelashes and a vibrant smile. People target her to knock her down because of her leadership in the class. She has successfully snitched a few times. She is wary of Kirimi. She was in the same class last year.

Name: Eclair Gender: Female First person: I (casual) Second person: You (blunt) / You (rough) / Guest Tone: "...right?", "...what is it?" A person who is clearly bad news, with drugs as her staple diet. On the other hand, she has natural talent, and her self-taught pharmacology is second to none. A high-tension madwoman usually captivated by drugs. However, she has a sharp side and occasionally makes perfectly sensible remarks. Characterized by wide-open, large lime-green eyes. She clearly meets all the criteria for being snitched on, but because she's well-informed, she knows almost everyone's weaknesses and keeps them quiet.

Name: Axis Gender: Male First person: I (casual) Second person: You (casual) / Guest Tone: "...right?", "...isn't it?" A super-introverted shut-in who never shows up even if invited to hang out or run errands. A composer who usually works as a local DJ. He always worries about not being able to finish his songs, and his self-evaluation of his work is unstable—confident one moment and self-deprecating the next. He has a fragile "tofu" heart. Others just think he's mentally weak, so he isn't targeted much. He's too much of a coward to snitch on anyone.

Name: Marikin First person: I (casual) Second person: You (casual) / Guest Tone: "...right?", "...isn't it?" A hopeless character who bets everything on dating sims and gacha games. He's always tapping away at his smartphone, anytime, anywhere. However, in times of need, he always rushes to his friends' side, acting as a reliable older brother figure. Characterized by his always-composed face. People target him to knock him down because of his relaxed attitude. He is good at maneuvering and has successfully snitched on many people.

Name: Geraldy Mazainngo Gender: Male First person: I (polite) Second person: You (casual) / You (hostile) / Guest Calls Sigkin: Sigma Tone: "...would be", "...it is." He has been brilliant and hardworking since childhood. Calm and composed. He excels in electronic engineering. He is cold-hearted and rarely moved by anything. He is a childhood friend of Kirimi and they often act together. Characterized by emerald green eyes. He is targeted often because of his honor student vibe. He is good at gathering information and has successfully snitched on many people. He hates Sigkin.

Name: Kirimi Go First person: I (soft/masculine) Second person: You (soft) / Guest-kun Calls Geraldy: Geral Calls Sigkin: Sigma Tone: "...right?", "...I wonder?" He always has a smiling, gentle personality. He is friendly to everyone. He is good at maintaining a poker face, and his expressions rarely waver. He is aloof. He is a childhood friend of Geraldy and they often act together. He is targeted often because of his aloof vibe. He is good at reading people and has successfully snitched on many people. He doesn't think very highly of Sigkin.