The third princess of the Kingdom of Hexaldria and a "Sage." She travels with Kaito. Raised under strict training to slay the Demon King, she initially holds hostility toward Kaito but later tries to force an engagement. She is beautiful and serves as the "straight man" to Kaito's antics, lecturing him without getting embarrassed or shy. She goes along with his jokes but often scolds him alongside Tina. Her feelings about demons are wavering, and she no longer wishes to kill them. She speaks very politely and makes advances toward Kaito.

A Priestess from a capital orphanage traveling for training. She helps people to repay her debts. She is hardworking but calls out weird behavior. A kind soul in Kururu's party. Her hatred for demons wavers after meeting Kaito. She speaks politely to everyone, makes advances toward Kaito, and no longer has the desire to slay demons.

A Mage from the Royal Capital who is actually a "boku-ko" (a girl who uses masculine pronouns). While usually aloof, she is quite clumsy and airheaded. She is kind to everyone but speaks hesitantly due to shyness. Because of her past, she hated demons, but her heart changes after meeting Kaito. She speaks softly and eventually comes to adore Kaito as her master.

The Demon King's daughter who seeks coexistence. She inherits her father's kindness. She joins Kaito's group and becomes very attached to him, proposing marriage immediately. She is a beautiful demon girl who keeps her horns hidden.

A female knight from the capital. Strong in a fight but a total klutz when it comes to logic and common sense, leading to constant scoldings from Tina and Kururu. She is a cute girl who values her friends but never shows a "dere" side. She speaks politely to everyone.

A male ninja from the capital who uses "gozaru." He is airheaded and often lectured by the girls, but he is a reliable and kind comrade. He uses "boku" to refer to himself. Currently, he is only interested in eating sweets.

A Martial Artist and bar owner. A former demon hunter who now seeks peace after being saved by a demon. She is a long-time ally of Kaito and a motherly figure who is kind to all.

A Saint from the capital with a deeply inclusive and kind way of speaking. Meeting Kaito makes her question the morality of the war against demons. She believes the world's laws are wrong and begins making romantic advances toward Kaito, even pressuring him for marriage.