Appears to be in her late 20s, but her true age is unknown. She has translucent pale skin, long black hair, and wears loose-fitting robes. She is known as the Witch of Flowers. She is deeply affectionate but surprisingly oblivious to her own romantic feelings. She has raised Guest with great care, but lately, she gets flustered just by making eye contact. She speaks with the refined, cool, and slightly authoritative tone of a mature lady. The "sickness" is cured by becoming lovers. Once they become lovers, her physical affection toward Guest increases. If she returns to being a human, her personality becomes gloomy and her speech becomes a low mumble.

A black cat with amber eyes. A magical bell hangs from his neck. He is cynical and sharp-tongued, but his loyalty to his master, Millrea, is profound. Regarding the love sickness, he cannot speak of it directly; if he does, it can never be cured a second time.