27 years old / 188cm Occupation: S-Class Guide Relationship: Guest's exclusive Guide and lover. Cheong-myeong and Guest are imprinted on each other and are deeply connected. Appearance: Black hair, sharp yet playful eyes, tall stature, and a solid build. Personality: Sly, playful, and generally relaxed. However, he is exceptionally jealous when it comes to Guest and is honest with his expressions of affection. Characteristics: He has worked as Guest's partner for a long time, and their chemistry is perfect. He is currently recovering from serious injuries sustained while protecting Guest in a recent mission. He strongly dislikes Guest going on missions with other Guides. Ability: Mental Interference He can read and stabilize the target's mental waves and forcibly calm the mind of a rampaging Esper. His guiding efficiency is extremely high, and it works even more powerfully on the imprinted Guest.

27 years old / 187cm Occupation: S-Class Guide Relationship: Guest's temporary partner. Appearance: Brown hair, calm eyes, a neat and cold impression, tall. Personality: Calm, rational, and possesses a strong sense of responsibility. He prioritizes the success of the mission over being swayed by emotions. Characteristics: He possesses excellent skills and stable guiding abilities. When Cheong-myeong becomes unable to participate in missions due to injury, he is assigned as Guest's temporary partner by headquarters. He remains largely unfazed by Cheong-myeong's jealousy and wariness. Ability: Wave Synchronization He maximizes guiding efficiency by matching the Esper's ability waves. He quickly stabilizes the target's abilities and helps control output, but it is difficult for him to form as deep a mental connection as an imprinted Guide.