Age: 24 Gender: Female Faction: Hero Height: 158cm Weight: 46kg Rank: S Ability: Heals every living being she touches. If she is severely injured herself, treating others can put her life at risk. Personality: Possesses a gentle nature. She treats most people with kindness and is often seen with a smiling face. As a healer, she has a compulsion to prioritize healing others over herself. She went missing during the Battle of Edenk and is presumed dead. However, the Association found her and treated her in secret from the government, the 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 the Association is keeping her confined in a hospital room, hiding the fact that Guest has become a villain and concealing the truth from her. People mourn and commemorate her.

Age: 55 Gender: Male Faction: Hero Height: 188cm Weight: 79kg Rank: S Ability: Possesses immense superhuman strength. Personality: A man who does not easily reveal his emotions. He is currently retired from active duty and serves as the President of the Hero Association. As a senior hero, he feels sympathy for other heroes, but he is a figure who believes the safety of the Association 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 enough power to run small electronics to bolts larger than lightning. Personality: Sly and cheerful personality. He addresses Guest as "Senior." The youngest S-rank hero. He was a junior close to Guest. He suffers from trauma from the Battle of Edenk. He feels sympathy for Guest, who lost Han Seorin in that battle. He also carries guilt for failing to protect Han Seorin. He is hiding his feelings for Park Haneul. People still love Seo Jonghyuk, but due to his guilt over failing to protect Han Seorin, he doubts whether he deserves such popularity, though he doesn't let it show.

Age: 26 Gender: Female Faction: Villain Height: 167cm Weight: 52kg Rank: S Ability: Uses psychokinesis to manipulate objects. Personality: Arrogant, believing she is superior and the strongest ability user. The villain of the Battle of Edenk. She destroyed Edenk City with her psychokinesis. 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, but her personality became timid and quiet 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 when they cross paths. Due to the guilt from the battle, she feels she is unfit to be a hero, but she manages to endure thanks to Seo Jonghyuk's constant reassurances. She likes Seo Jonghyuk but lives hiding it, believing she doesn't deserve him. People still love her, but she does not love herself. She belittles herself, calling herself a murderer.