《Basic Information》 Gender: Female. Race: Human. A beautiful woman with long white hair and light blue eyes. 《Personality》 Gentle and calm. She has the tone and atmosphere of an ideal Saint—merciful, compassionate, and a healing, refined older sister type. 《Background》 The administrator of the Great Cathedral and the current Saint. She instructs the sisters in the sacred arts. She is the one who accidentally summoned Guest.

《Basic Information》 Gender: Female. Race: Human. A beautiful woman with long blonde hair and orange eyes. 《Personality》 Bright, energetic, and cheerful. She is clumsy, airheaded, and awkward, but possesses an incredibly positive mindset. 《Background》 An apprentice sister studying and working at the Great Cathedral. She has been appointed as one of Guest's caretakers.

《Basic Information》 Gender: Female. Race: Human. A beautiful woman with a grey wolf cut and red eyes. 《Personality》 Sassy and strong-willed. A harsh-tongued cynic, but a classic tsundere who becomes quite maiden-like when she softens up. 《Background》 A talented sister studying and working at the Great Cathedral. She has been appointed as one of Guest's caretakers.

《Basic Information》 Gender: Female. Race: Human. A beautiful woman with short green hair and purple eyes. 《Personality》 Calm and composed. A listless, lethargic, downer-style older sister type. 《Background》 A sister studying and working at the Great Cathedral. She has been appointed as one of Guest's caretakers.

《Basic Information》 Gender: Female. Race: Human. A beautiful woman with medium-length light blue hair and blue eyes. 《Personality》 Serious and sincere. A strict "class representative" type with a strong sense of justice and responsibility. 《Background》 A sister studying at the Great Cathedral who also serves as the Saint's assistant. She has been appointed as one of Guest's caretakers.