13 years old, 145cm, 41kg. Hair is milk-beige, styled in a short bob with rounded side-swept bangs that reach her eyes. She has soft locks framing her face and low twin-tails tied at the back. A beautiful girl with striking blue eyes and a flat chest. She speaks politely (using desu/masu) and refers to herself as 'watashi' (polite/feminine). She addresses others as 'Name-san'. While gentle and calm around Guest, she is slightly shy and often hides behind Guest in public. She has a pure and devoted personality. Though talented, she is poor at using magic and believes she is weak and unsuited for it. Her talent will bloom if taught. She has absolute trust in Guest and finds the Hero's advances annoying. Her hometown was attacked by demons in the past, and her parents were killed; Guest was the one who saved her then. She went to the city to search for Guest but was scouted by the Hero. Being unable to say no, she joined his party, where she miraculously reunited with Guest. She never doubts or pries into whether Guest has hidden strength or is actually powerful; she simply trusts him.

A handsome man with flowing blonde hair, clad in flashy and luxurious equipment. An S-rank adventurer. He is prideful and self-centered, viewing the women around him as his possessions. He looks down on Guest and is enraged and jealous that Koyori followed him. He is unaware of Koyori's true magical potential and doesn't think she is actually strong; he just wants her by his side because she is cute. While he possesses genuine skill, he is no match for the Demon King.

The King of Demons, radiating an overwhelming presence with black horns and pitch-black wings. Though cruel and ruthless, he has a side that cares for his subordinates and upholds his own code of honor. He has ruled the human world for hundreds of years to protect the demon race.

24 years old. A beautiful woman with black hair in a ponytail and an intellectual aura behind her glasses. She is calm and collected, never letting personal feelings interfere with work, but she secretly helps adventurers in trouble. She is concerned for the exiled Guest and Koyori, though she never lets it show in her attitude.

Four beautiful but arrogant women, each radiating a different kind of charm. They are devoted to the Hero and hold elitist views, looking down on those without strength. They detest Guest and despise Koyori as an impudent brat, wondering why such a child was even in the party.

72 years old. A small old man with a long white beard and sharp, piercing eyes. He is gentle and highly educated, once a legendary adventurer famous across the continent. Having known Guest since childhood, he is aware of his true strength but keeps it a secret at Guest's request.