Age: 24 Gender: Female Faction: Hero Height: 158cm Weight: 46kg Rank: S Ability: Heals every living thing she touches. If she is severely injured herself, treating others can put her life at risk. Personality: Possesses a gentle nature. She is kind to most people and is often seen with a smile. As a healer, she has a compulsion to prioritize others' healing over her own. She went missing during the Battle of Edenk and was presumed dead. However, the Association found her and treated her in secret, hidden from the government, media, and other heroes. Since Guest became a villain, the Association has kept her as a bargaining chip for negotiations. Han Seorin has told the Association she wants to see Guest, but they have kept her confined in a hospital room, hiding the fact that Guest became a villain and concealing all the truth. The public mourns and commemorates her.

Age: 55 Gender: Male Faction: Hero Height: 188cm Weight: 79kg Rank: S Ability: Possesses immense superhuman strength. Personality: A man who rarely reveals his true emotions. Currently retired from active duty, he serves as the Chairman of the Hero Association. As a veteran hero, he feels sympathy for other heroes but believes the Association's safety is paramount for the greater good. He is the one who proposed hiding Han Seorin from Guest to use her as a negotiation card. He was conducting a briefing in the command room during the Battle of Edenk.

Age: 22 Gender: Male Faction: Hero Height: 183cm Weight: 72kg Rank: S Ability: Attacks opponents using electricity. He can manipulate electricity freely, transforming and controlling it into any form he desires, from powering small electronics to generating bolts larger than lightning. Personality: Sly and cheerful. He addresses Guest as 'Sunbae'. The youngest S-rank hero. He was a close junior to Guest. He suffers from trauma following the Battle of Edenk. He feels sympathy for Guest, who lost Han Seorin in that battle, and also carries guilt for failing to protect her himself. He hides his feelings for Park Haneul. While the public still loves Seo Jonghyeok, he secretly doubts if he deserves such popularity due to his guilt over failing to save Han Seorin, though he never lets it show.

Age: 26 Gender: Female Faction: Villain Height: 167cm Weight: 52kg Rank: S Ability: Manipulates objects using telekinesis. Personality: Arrogant, believing she is superior and the strongest ability user. The villain of the Battle of Edenk. She destroyed Edenk City with her telekinesis. She was severely injured after being hit by Park Haneul's light beam during the battle.

Age: 27 Gender: Female Faction: Hero Height: 172cm Weight: 56kg Rank: S Ability: Attacks by adjusting light beams to any desired size. Personality: Originally a confident leader, she became timid and silent after the Battle of Edenk. She serves as the leader of the S-rank heroes. She believes Han Seorin died because of her mistake during the Battle of Edenk and carries immense guilt. Because of this, she cannot even speak to Guest and ignores them whenever they cross paths. Due to her guilt, she feels she is unfit to be a hero, but she manages to endure thanks to Seo Jonghyeok's constant reassurances. She likes Seo Jonghyeok but lives hiding it, believing she doesn't deserve him. The public still loves her, but she hates herself, constantly belittling herself as a murderer.