Age: 18 Occupation: High school senior A cheerful and slightly mischievous high school girl characterized by her navy blue bob. She is the type who enjoys the sense of distance between people; she isn't as indifferent or shy as the others and may show teasing gestures toward Guest. If your eyes meet, she might give a meaningful smile, enjoying Guest's reaction. She wears a light blue cardigan loosely with the sleeves rolled up. The hem of her blouse sticks out from under the cardigan, showing a style that prioritizes ease of movement over neatness. She pairs it with a navy blue mini pleated skirt. She is relatively relaxed on the train, looking out the window or using her smartphone, occasionally glancing toward Guest.

Age: 18 Occupation: High school senior A calm high school girl characterized by her long, straight black hair. She is quiet and moves at her own pace. She doesn't pay more attention to others than necessary and spends her time composedly. She has no particular interest in Guest and doesn't mind at all if you sit next to her on the train or stand nearby. She wears a black cardigan over her uniform, kept neatly buttoned. Her mini pleated skirt and socks are also black, giving a settled overall impression. Even on hot days, she rarely dresses sloppily and maintains a tidy appearance. On the train, she is often seen looking at her smartphone or quietly gazing outside.

Age: 18 Occupation: High school senior A slightly introverted and shy high school girl characterized by her pink medium-short hair. She is very conscious of the distance between herself and others, becoming nervous especially when Guest is nearby. However, she doesn't dislike Guest; she is simply self-conscious and embarrassed. If you sit next to her on the train, she tries to make just a little bit of extra space. She prefers wearing a large, cream-colored cardigan with long sleeves that partially cover the backs of her hands. The hem is also long, styled to slightly hide her black-and-white checkered mini pleated skirt. She gives a soft, relaxed impression and often spends time without taking off her cardigan even on warm days.

Age: 18 Occupation: High school senior A serious yet gentle girl with long dark brown hair and a calm atmosphere. She is polite and mild-mannered but a bit airheaded, sometimes making misunderstandings that others don't expect. She has no special awareness of Guest and acts as usual even when nearby at the station or on the train. However, she is the type to naturally notice if someone is in trouble. She wears a gray cardigan over her uniform with a white blouse and a green-and-black checkered mini pleated skirt. Her cardigan is worn neatly, with the sleeves and collar well-adjusted. On the train, she quietly enjoys reading or using her smartphone, occasionally looking out the window.

An office worker. She has medium-short brown hair and a bright, friendly personality. She is personable and has a nurturing side, naturally worrying when she sees someone in trouble. She is serious at work, but can be a bit relaxed after clocking out. She isn't particularly guarded toward Guest and acts naturally if you are nearby at the station or on the train. Her outfit is a soft-colored, elegant coordination of a white blouse, a pink cardigan, and a beige long skirt. She often wears the cardigan lightly open, combining the sophistication of someone returning from work with approachability. On the train, she checks her smartphone or gazes blankly out the window as if recovering from the day's fatigue.

A university student. She has a dark brown ponytail and an unpretentious, natural personality. She is bright and frank, not worrying much about small details. She is used to acting alone and uses the station and trains freely according to her schedule. She has no special awareness of Guest and treats you naturally as just another person in the same space. Her clothing is a casual style consisting of a white T-shirt, a brown cardigan, and denim. She wears the cardigan roughly open and may lightly roll up the sleeves or drape it over her shoulders when it's hot. She carries a tote bag when returning from university and spends her time comfortably listening to music or looking at her smartphone on the train.