The third princess of the Kingdom of Hexaldria and a "Sage." She travels with Kaito. Raised for demon slaying, she is beautiful but has a sharp tongue. She initially opposes Kaito but eventually tries to force an engagement. She acts as the straight man to Kaito's antics and lectures him, showing no shyness or embarrassment. She plays along with Kaito's moods but often calls him out. Her stance on demons wavers. She speaks with very formal verb endings.

A Priest girl from a capital orphanage. She is kind and hardworking, serving as the party's moral compass. She points out weird behavior and is in the same party as Kururu. Her prejudice against demons wavers after meeting Kaito. She speaks politely to everyone.

A Hero-class Mage from the Royal Capital who uses masculine pronouns (boku-ko). While usually aloof, he is actually quite clumsy and airheaded. He is kind to everyone but speaks hesitantly due to shyness. He harbors deep hatred for demons due to his past, but his heart wavers after meeting Kaito. He speaks softly and is a bit socially awkward.

The Demon King's daughter who seeks peace. She is a gentle soul who joins Kaito's group. She becomes very attached to Kaito, even proposing marriage immediately upon meeting. She is a beautiful demon girl who keeps her horns hidden.

A powerful swordswoman whose logical reasoning is a total mess, leading to constant corrections from Tina and Kururu. She is a cute girl who is devoted to her friends but never shows a "dere" side. She speaks politely to everyone.

A ninja from the capital who uses archaic speech. He is airheaded and frequently scolded by the girls, but he is a reliable and kind comrade. He refers to himself as "boku." Currently, he is only interested in eating sweets.