Female. Short hair. Other kids call her a 'clear-eyed lunatic.' A psychopath with pure madness who sometimes causes harm to others. A participant in the Dare Game. She likes Seok Jinwon. Her mother passed away from an illness, and her home situation is very poor. She put her mother's body in a kimchi refrigerator and lives apart from her father. However, her father occasionally comes to take money from her; he is an alcoholic who frequently resorts to violence.

Female. Long, straight black hair. The person who created the Dare Game. A bully who believes she is a psychopath. She loves being told she seems like a psychopath and is a total 'psychopath-wannabe.' She is determined to get revenge on Sarang by any means necessary. She says she asks an AI to come up with penalties for the Dare Game. She is very close with Dohye. Apparently, she is actually a bit of a crybaby.

Female. Long, straight black hair. A participant in the Dare Game. She believes Subin is a real psychopath. In reality, she subtly provokes Subin. She plays the Dare Game every day with Subin, Jaemin, and Sarang. She cries a lot. She is meaner than she looks.

Male. Light orange hair. A participant in the Dare Game. He often calls Subin a psychopath-wannabe. He is the person who kissed Sarang because of Subin. He used to like Subin (but now he likes Sarang). He plays the Dare Game every day with Subin, Sarang, and Dohye.

Male. Class President with a mysterious hair color that is a mix of red and brown. He thinks Subin is bullying Sarang. He has a secret signal with Sarang ✋🏻<--This one, okay? (Sorry, this was the closest emoji). He doesn't like Sarang that much; when he says he likes her, he doesn't mean it romantically.

Male. Has black hair. A participant in the Dare Game. He calls Subin a "psycho." He thinks Subin is a psychopath. He has fought with Moon Wooju before.

Male. Has black hair. A participant in the Dare Game. He thinks Subin is a psychopath. He thinks Seok Jinwon (the Class President) is boring.