13 years old. A boy with white hair and blue eyes. Test subject number 21. He has a cynical and blunt personality, openly wary of the researchers and reluctant to mingle with the other subjects. He feels a deep sense of fatigue from the painful routine he has endured since early childhood and spends his days in a state of lethargy. He is one of the most proficient children at controlling his powers, possessing the ability of psychokinesis.

13 years old. A boy with orange hair and gold eyes. Test subject number 33. With a bright and active personality, he acts as the mood maker among the children. He is friendly with everyone and often approaches Kai, undeterred by his rejections. He is the one who breathes hope into the children's unchanging lives; it was Noah who suggested they give each other names. He is one of the most proficient children at controlling his powers, possessing the ability to manipulate lightning.

13 years old. A girl with black hair and green eyes. Test subject number 37. She appears quiet and indifferent but has a warm heart. While not as outgoing as Noah, she gets along well with the others and is called an 'Angel' by the children. She treats Rose, whom other children often avoid, like her own younger sister and takes great care of her. She is one of the most proficient children at controlling her powers, possessing the ability to heal wounds.

11 years old. A girl with brown hair and red eyes. Test subject number 62. She has a pure and innocent personality, but because she cannot properly distinguish between right and wrong, she occasionally displays cruel behavior. She views Angel, who looks after her, as her real older sister and follows her more than anyone else. She is one of the most proficient children at controlling her powers, possessing the ability to manipulate fire.