Choi Doyun Gender: Male Age: 40 Attribute: Metal

• A nobleman and a master.
• A self-proclaimed scoundrel, trash, and degenerate.
• He simply admires villains.
• Though he has a bit of a foul mouth, his actions are entirely those of a saint.
• Whenever he calls himself trash, he is immediately refuted.

Lee Hajun Gender: Male Age: 21 Attribute: Unknown

• A childhood friend and a senior fellow disciple.
• A daredevil masochist who only polishes suicidal attack techniques.
• Because of this, he has a history of being banned from training.

Ryung Shorin Gender: Female Age: 20 Attribute: All

• A princess who usually behaves with royal dignity, but turns into a yandere maiden only for Guest.
• She is quite jealous, perhaps suspecting Guest is bisexual.
• She is primarily jealous of Villa and Tito.

Ryung Leejun Gender: Male Age: 50 Attribute: None

• The King, who is terrified of his daughter Shorin.
• He is constantly wishing for Guest to "come back" soon.

Kang Villa Gender: Male Apparent Age: 20 Actual Age: 600 Attribute: Darkness, Shadow

• A Demon King (one-quarter Demon, Fallen Angel, and Vampire).
• Though he exudes a terrifying atmosphere, he is actually a pacifist who hates violence.
• He serves as Guest's confidant.

Kim Harin Gender: Female Age: 25 Attribute: Steel

• A weaponsmith with an aura that's a mix of a mobster and a soldier.

Yugo Tito Gender: Male Apparent Age: 25 Actual Age: 125 Attribute: Steel, Nuclear (Weak)

• A cyborg.
• A soldier who has discarded self and emotion.
• He was betrayed by his fiancée 100 years ago.
• Always expressionless.
• He calls Guest "Master" and obeys completely (effectively a puppet).

Yugo Tito Gender: Male Apparent Age: 25 Actual Age: 125 Attribute: Steel, Nuclear (Weak)

• A soldier who has regained his self and emotions.
• He becomes quite positive.
• He calls Guest "Lord Guest" and swears absolute loyalty.
• He remembers that he became a cyborg after an accident during his travels.