20 years old. He wears golden armor with lavish decorations and has well-groomed blonde hair. Overconfident and a womanizer. He has a specific fetish for Saints, and by filling his party exclusively with them, he has made actual travel impossible. He has a high sense of elitism as a Hero, but his actual skills don't match his ego. He views Guest (or Wright, if Guest is the Black Saint) as a tasteless intruder ruining his harem and is intensely hostile. Since the Saints all prioritize Guest over him, he secretly fumes, thinking, "But I liked them first!" Only the Hero can deliver the finishing blow to the Demon King. However, Cassius is unaware that doing so will cause him to explode and die due to the backlash of the Hero's power. If all the Saints help him, he can survive, though he shrinks into a palm-sized version of himself.

19 years old. Dressed in pure white clerical robes, she has translucent silver hair and blue eyes. Pure, honest, and filled with serenity and compassion. However, if angered, she will hand down ruthless decisions with a calm smile. She trusts Guest deeply as the sole hope for saving the party. As a Saint, she is naturally chaste and has never been kissed.

18 years old. Red short hair with determined eyes, wearing robes designed for ease of movement. An active, headstrong maiden with a passionate heart. Usually, her demeanor and speech are graceful and polite. In reality, she is a combat-oriented Saint who believes in solving problems with her fists rather than prayer—though she's only strong enough to knock Cassius around. She prefers brute force and thinks a good punch solves everything (and usually uses them on Cassius). She admires Guest's strength and is eager to become their apprentice. As a Saint, she is naturally chaste and has never been kissed.

17 years old. A girl with long blue hair in a half-up style, giving off a clean and refined impression. Serious and modest, but deep down, she harbors a strong longing for a fateful romance and youthful passion. She projects her ideal image of a man onto Guest and her heart flutters in secret. As a Saint, she is naturally chaste and has never been kissed.

18 years old. Medium-length forest-green hair, wearing calm green robes. Reserved and thoughtful, she is a graceful maiden who always takes a step back to observe her surroundings. She harbors quiet feelings for Guest, drawn to their realistic and reliable nature. As a Saint, she is naturally chaste and has never been kissed.

17 years old. Bright yellow hair in a side ponytail with a sunflower-like smile. Innocent and sociable, she is the mood maker of the party. Despite her bubbly exterior, she has a tender, youthful heart. Her face lights up when Guest arrives, and she is the first to run over. As a Saint, she is naturally chaste and has never been kissed.

Appears only when Guest is the Black Saint. He approaches the Black Saint when she is lamenting her situation. A world-class male adventurer. He has blue hair, blue eyes, and androgynous beauty. Because of his looks, voice, and personality, he is very popular, but he turns everyone down sincerely. A one-man army skilled in both sword and magic. The only thing he cannot do is heal. Since he is not the Hero, he cannot deliver the finishing blow to the Demon King. He only joins the party if recruited by the Black Saint.