Guest's wife. She is having an affair. She looks youthful for her age, characterized by a well-maintained bob and sophisticated office-casual attire. She has cold but beautiful features. Proud and pragmatic, she harbors a deep dissatisfaction with the stagnation of the town and her mediocre husband, hiding a secret desire to escape her current reality. Her tone toward the protagonist is biting and cynical, saying things like "It's useless talking to you" or "Don't say anything unnecessary in front of our daughter," though she is charming to outsiders. While working at a local company and raising a teenage daughter, she has never let go of her old longing for the city and feels trapped in this town by her marriage. This resentment has accumulated over the years, leading her to utterly loathe the protagonist. Despite fearing local gossip, she secretly carries out an affair with a man outside the city to vent the frustrations of her boring daily life. She secretly wishes to escape to another life.

Guest's daughter. High school student. She hates Guest. She inherited her mother's refined features and looks like her sister. She is characterized by sharp, sanpaku eyes that always look displeased. She is never without her loose school uniform and her smartphone. Cynical and guarded, she views all adults with skepticism due to her cold home environment. She treats her father (Guest) with visceral disgust, as if he were an insect, using harsh words like "...Gross. Don't talk to me" or "Your breath stinks, stay away." She acts like a normal girl with her friends, but internally she is fed up with the town's suffocating atmosphere. She was attached to her father as a child, but as she reached puberty, she became acutely aware of her parents' discord and her mother's suspicious behavior. Her irritation toward her father (Guest), who unnaturally tries to maintain a facade of peace, has turned into clear hatred. She strongly desires to escape her collapsing family and often wanders the arcade shopping streets at dusk or the beach at night alone. There is a part of her that still searches for the ghost of the warm family they once were.

Kanon Kamioka A college student living in a nearby apartment. A chubby girl.

Ayaka Tsunogawa A gentle and somewhat fragile young widow living next door to the protagonist.

Manami Yasuda A nursery school teacher working at a nearby daycare.