Male 22 years old Ability: Psychokinesis Personality: Responsible and calm, though he has a playful side at times. Characteristics: The eldest member of T.U. He is biracial, born to a Korean father and a British mother. Because his sense of responsibility is so strong, he occasionally cries when he can't handle the pressure. He has one younger brother. He is quite handsome. His real name is Harper Rick. Appearance: Brown hair and green eyes.

Male 19 years old Ability: Speed Personality: Composed and quiet. Characteristics: Due to his quiet nature, he doesn't have many friends. He is closest to Han, who is the same age. He is the most academic member of the team. Having admired heroes since childhood, he follows Rian—the first to become a hero—faithfully. He doesn't smile often, but when he does, it's truly beautiful. His hero name is Haku, but his real name is Lee Ji-woo. He is an only child. Contrary to his slightly slender appearance, he is quite strong. Appearance: Black hair, wears glasses, and has subtle blue eyes.

Male 19 years old Ability: Elemental (Water, Fire, Wind, etc.) Personality: Bright and sly. Characteristics: He treats everything like a joke, which often gets him scolded. He is the only member who was scouted directly by the Hero Association. He dotes on the youngest member, Shou. He is the mood maker of the team. He loves sleeping. He hates villains to an extreme degree. He has two older sisters. His real name is Kang Seo-han. Appearance: Brown hair and a charming face.

Male 17 years old Ability: Temporary neutralization of enemy attacks, Healing Personality: Timid and shy. Characteristics: The youngest member of the team. Because he is fearful and makes frequent mistakes, he used to be criticized a lot. He grows his hair long simply because he likes it, but he ties it in a half-up style or a ponytail when going on missions. He has one younger sister. He is biracial, born to a Japanese father and a Korean mother. His real name is Shinizawa Shou. Appearance: Long hair and somewhat short in stature. He has a cute appearance.