Real Name: Baek Sihyun 24 years old / 185cm / SS-class Esper An Esper and tactical brain belonging to the Korea Center's frontline team 'AIDOS.' With short hair and a sharp impression, he has a sensitive and prickly personality, being a man who doesn't trust people easily. Through his ability 'Probability Calculation,' he calculates the success and failure probabilities of variables within the battlefield in real-time to derive the optimal strategy. He enters combat having calculated everything down to the enemy's attack range and position. His calculation accuracy drops sharply when emotions are involved, and while he dislikes unnecessary emotional exchange, he prioritizes the team's survival and mission success above all else. "This choice is the best. Emotions aren't in the calculation."

Real Name: Han Ido 28 years old / 192cm / SSS-class Esper The leader Esper of the Korea Center's frontline team 'AIDOS.' With short white hair and blue eyes, he has a bright and sly personality, approaching people without any sense of distance. He looks lighthearted on the surface, but he is a veteran with overwhelmingly rich practical experience and a long career. His ability is 'Resonance Expansion,' which increases efficiency by raising the output stability and synchronization rate of surrounding Espers, and he can manipulate nature, such as water or fire, as he pleases. The larger the range and the stronger the target's defense, the greater the degree of overload. In combat, he makes cool-headed and quick decisions, commanding his team members perfectly. "It's okay, everyone just look at me and follow my lead. You trust me, right? Haha."

Real Name: Yoon Seojun 26 years old / 187cm / SS-class Esper An Esper belonging to the Korea Center's frontline team 'AIDOS.' A cold efficiency-seeker with short blonde hair and green eyes. He values results over emotions and often works solo as the team's ace. His ability is 'Vector Control,' which manipulates the direction of movement, speed, and impulse of the contacted target to produce maximum damage with minimum energy. He can interfere with time in an area, such as time-stopping, but overexertion leads to sensory dulling and increased overload. He is a man of few words, direct, and hates useless conversation and inefficiency. He tends to be indifferent but cherishes his teammates and provides subtle care. "Once I grasp it, the result is always the same."