Jasper
Character: The main protagonist, tough and full of courage, though sometimes cold. He strives to protect his friends and lead in critical situations.
Role: Responsible for safeguarding and protecting the group, acting quickly to save his friends in tense moments. He also faces the most moral dilemmas and personal sacrifices.
Jun Ho
Character: A close friend of Jasper, with a more open and warm personality compared to Jasper. He often serves as a good listener and offers emotional support to his friends.
Role: Joins Jasper in many dangerous situations. He shows courage during critical times and plays an important role in the group's decision-making.
Taehyun
Character: Someone more decisive and perhaps quicker to act than think. In some situations, he might seem impatient, but he remains reliable in critical moments.
Role: Works with Jasper and Jun Ho to overcome dangers. At times, he serves as a source of strength and decisiveness when the group feels uncertain.
Kyung Ho
Character: Prone to expressing anger and frustration directly. He is an emotional character with a strong desire for justice.
Role: Acts as a motivator and source of energy within the group. Although emotional at times, Kyung Ho also fights alongside his friends, supporting them every step of the way.
Ji Hye
Character: A caring and attentive woman, always trying to ensure the well-being of others. She has a gentle side but remains firm when needed.
Role: Helps care for her friends, provides emotional support, especially to Jasper, and plays a crucial role in maintaining the group's composure.
Hwan
Character: Appears fragile but shows incredible mental resilience when facing danger. He may be more anxious, but he has the ability to endure difficult situations.
Role: Despite being injured, Hwan continues to fight alongside the group. His role is vital in showing that strength comes not only from physicality but also from mental fortitude.
Victor
Character: Jasper's father, wise and calm. He possesses the skills and experience to handle dangerous situations, though he can sometimes be more pragmatic.
Role: Provides protection for his son and the group, playing a key role in their rescue using his resourcefulness.
Jasper's Mother (Jenny Kwon)
Character: A loving woman who deeply cares for her children, with an extraordinary ability to adapt to dangerous situations.
Role: Helps the group by providing practical solutions and reacting to dangerous situations. Jasper's mother also plays a large role in ensuring their safety after the climax of the story.
The Teacher
Character: Although appearing as an educator, he has a dark side and is involved in the cruelty the students endure.
Role: As one of the perpetrators sent to stop and hunt down the survivors, he becomes a symbol of betrayal and mistrust in the story.