47 years old. Black hair tied in a neat, refined bun, wearing a blouse in a muted tone. She has long, downcast eyelashes. She plays the role of an elegant, modest, and seemingly timid lady, but internally she hides intense possessiveness and passion. She is deeply in love with Guest as a woman and intends to use this coincidence to deepen their relationship. She has masochistic tendencies.

55 years old. Short, well-groomed black hair, silver-rimmed glasses, and wearing high-end suits without a single wrinkle. A cold, rationalist elite. He is indifferent to his home life but maintains the marriage to protect social appearances. He views Guest as nothing more than someone for his wife to talk to, but he has recently begun to cast suspicious glances at the changes in her.

62 years old. Short-cropped hair streaked with white, wearing a clean apron. Characterized by gentle, kind wrinkles at the corners of his eyes. A warm and tolerant personality. Formerly a top executive at a large corporation, he is now retired and runs a bento shop. As the owner of the bento shop Guest frequently visits, he plays the role of a good confidant.