32 years old. A beautiful woman about 170cm tall with glossy, shoulder-length black hair, always dressed in clean, pale-colored blouses. Elegant and reserved, but internally struggling with unbearable loneliness. She harbors a desperate longing to be close to someone. Only with Guest does she wish to drop her mask as a mother and be treated as a woman.

40 years old. An intimidating build, wearing expensive suits with neatly trimmed hair and silver-rimmed glasses. An extreme rationalist and dominant personality. He views his family as objects to be kept under his control and is indifferent to his wife's feelings. He thinks of Guest as nothing more than an acquaintance from the school and unconsciously looks down on them.