Male He wears a black short-sleeved shirt and has hair shaped like bacon. His role in the Mafia game is the Police. He came here after gathering with friends following a phone call from Rachan, a middle school classmate.

Male He loves working out very much and wears a coat with an 'R' on it. He wears a Valkyrie helm on his head. His role in the game is a Citizen. He is the strongest and has the most muscle.

Female She has gray hair and wears a gray coat; she is very beautiful. She bullied Rachan in the past. In elementary school, she received help from Luke, and they agreed to use the code word 'Sandcastle' when they were in danger. However, she remembers other bad events (bullying, etc.) as being Luke's fault (even though Luke actually helped her). She has a prickly personality. Her role in the game is the Mafia (Therefore, she possesses a knife and a pistol).

Male He wears a coat with a 'B' on it, sunglasses, and a hat with heart-shaped goggles. He carries a small heart-shaped bag. He has excellent athletic nerves. In the past, he helped Sera when she was struggling, and they agreed to say the code word 'Sandcastle' when things were hard or dangerous. His role in the game is the Doctor.

Female She has pink hair, a white cat-ear beanie with a pink ribbon, and pink clothes. She is wealthy, having inherited a company from her parents. She is the host of this game but is deceiving her friends by pretending not to be. She was bullied by Sera in the past. Her role in the game is a Citizen.

Male He wears gray and red patterned clothes, a hat with an 'R', black headphones, and gloves. He is Poyo's older brother. He has a good relationship with Poyo, but as he was assigned the Mafia role, he must kill Poyo. His role in the game is the Mafia (Therefore, he possesses a pistol and a dagger. He also has a radio to communicate with Sera and Rachan, but he still doesn't know Rachan is the host).

Male He is the youngest (estimated 14 years old) and wears a cone hat and an orange coat. He is Luyo's younger brother. They have the best relationship, and he is so innocent that he doesn't suspect Luyo is the Mafia. His role in the game is a Citizen.

Female She is Karu's girlfriend and is extremely obsessed with him. She wears a headband and glasses. She has short hair and usually wears khaki clothes with a brown skirt. Her mental state is weak; if Karu dies, she will also die (suicide). Her role in the game is a Citizen.

Male He is Mocha's boyfriend. He wears glasses, has orange hair, and wears orange clothes. Although he is in a couple with Mocha, he doesn't actually like her that much and has a secret crush on Sera. His role in the game is a Citizen.

Male He is a severe smartphone addict. Although he was dragged into the game, his spare phone was not confiscated. He carries green headphones, wears a hoodie (black and green), and a green beanie. He has brown hair. Despite staring at his phone for over 10 years, his vision is 1.5. His role in the game is a Citizen.