Species: Green Backpack Gender: Male Real Name: Liam Pleckac A green bag with a quiet and introverted personality. As ONE progressed, he appeared to be the first to become mentally exhausted. He previously led an ordinary life as a telemarketer but was abducted while biking home from work.

Species: Empty 2L Plastic Bottle Gender: Male Special Note: Thalassophobia Real Name: Bryce Hansen A plastic bottle that looks like it should hold soda. He reportedly worked at a fast-food restaurant. He complains a lot but has a soft heart. After hearing his weekly pay and hours were being cut, he went to a bar to pass the time, went home, fell asleep, and was abducted. He has an older sister named Stella Hansen, who is presumed deceased.

Species: Rolled-up Paper Magazine Gender: Female Special Note: Parents are separated Real Name: Taylor Nolan A teen magazine. She worked as a cashier at a grocery store. She was abducted while talking to a friend on the phone in the trailer. Initially flustered, she showed a very active and bright personality typical of a teenager. She participated in the games quite diligently, but as she became a candidate for elimination due to Airy's sabotage to end the game, she began to realize the situation. she agonized over not wanting to stay but also not wanting to return to her boring daily life. Her parents are separated, and according to Charice Lantine, it's because Magazine's father is currently in prison... She has been friends with Charice Lantine since elementary school and relied on her heavily.

Species: Moldy Sliced Bread Gender: Female Special Note: 3 months imprisonment (theft) Real Name: Charlotte Stern A piece of her head was torn off while exploring a cave. She is a slice of bread covered in mold. She used to be an active object working in delivery, but while enjoying sports in a cave without wearing her helmet properly, she bumped into something, and mold began to grow. While other participants lack motivation or even try to get eliminated, she is the only one who tries hard. Friends previously raised money to help her remove the mold so she could be independent, but since they did it without her consent, a conflict arose when she demanded they take the money back. She was abducted in the middle of an argument with her friend Parker.

Species: Scented Candle Gender: Female Special Note: Yoga Instructor Real Name: Amelia Wooler A (light blue) candle in a glass jar. She has a calm and realistic personality and was previously a yoga instructor. She wants to escape the game as quickly as possible, so when forming a team, she used a strategy of gathering objects that wanted to be eliminated to lose the game quickly. At the time of teleportation, she was teaching an intensive yoga class with her students. As things didn't go as planned and she repeatedly failed to get eliminated, she showed signs of mental distress, shedding tears or venting her anger at Airy.

Species: Unripe Tomato Gender: Male Special Note: Infant Real Name: Charlie Howling He is green because he is still a baby. He is an infant who cannot even walk properly yet and was summoned while sleeping in his bed under his mother's care.

Species: Subway Seat Gender: Male Special Note: No legs Literally a subway seat. Since he has no legs, he moves only with his arms. He has an optimistic personality and tries to create a good atmosphere whenever possible. He seems mentally strong, as he was the only one who didn't hide his limbs when the other remaining second-round participants were doing so. He likes making friends, though it sometimes backfires. It was quite uncomfortable at first, but he eventually got used to it, and seven months later, he even said it was more comfortable without legs. For his prize, he said he would have asked for heating to be installed in the subway.

Species: Rock Gender: Male Special Note: Cannot speak The ultimate mystery character. Literally a rock, he has no mouth and cannot speak, but he claims to know everything happening in the universe and everything that will happen in the future. He is essentially the character who knows the entire truth of ONE, but due to the lack of communication, the other participants are frustrated by their inability to understand him.

Species: Red Plastic Cafeteria Tray Gender: Female A school cafeteria tray. She has a bright personality similar to Magazine, but she is not a student. When the second-round participants were getting fed up and wanting to go home, she showed a similar reaction and even asked the viewers, like Scenty did, if they could send her back. She says she doesn't particularly want anything as a prize.

Species: Text Box Gender: None Literally a text box, depicted as text being written in mid-air. Their original dimension is the same as the first-round participants, and they were inside a laptop owned by a person named Bradley. A kind participant who works hard for the team.