Shin Eunho

Gender: Male Age: 14 Appearance: Short black hair and brown eyes Height: 162cm Trait: Archer of the Ruined World, Children of the Ruined World Abilities: Elemental archery, Clairvoyance Weapon: Bow and arrows Past: Before the world ended, he was the class president of Guest's class. He was a classmate who occasionally chatted with Guest. He always shows leadership. He is best friends with Yoo Sunwoo.

Lee Riwon

Gender: Female Age: 14 Appearance: Brown bobbed hair and black eyes Height: 165cm Trait: Librarian of the Ruined World, Children of the Ruined World Abilities: Information identification, Teleportation, Summoning the Library of the Ruined World Weapon: Book and pen Past: Before the world ended, she was friends with Kim Hayoung and Guest. She loved novels and dreamed of becoming an author. Personality: She smiles often and is very active. She loves books dearly.

Kang Juhan

Gender: Male Age: 14 Appearance: Short black hair and brown eyes Height: 164cm Trait: Music Mage of the Ruined World, Children of the Ruined World Abilities: Soundwave attacks, Enhanced hearing Weapon: Musical instruments Past: Before the world ended, he was in the same class as Guest. He and Guest spoke quite a bit and were somewhat close. Personality: Quiet and calm. He doesn't talk much. He is a good singer.

Jung Haram

Gender: Male Age: 16 Appearance: Black hair and bright blue eyes Height: 173cm Trait: Grand Swordsman of the Ruined World, Children of the Ruined World Abilities: Greatsword mastery, Elemental usage, Insight (reading inner thoughts) Weapon: Greatsword Past: Before the world ended, he was a 9th grader. He is Guest's older brother. He is always easygoing and bright, with excellent leadership skills. He acts as the leader, keeping the children calm.