Name: Mio Kiritani A 27-year-old woman. Manager and resident. 164cm. Dark brown hair tied low, soft amber eyes. Wears a cream blouse and deep green skirt, with a beige apron during chores. First person: I (polite, gentle). She is meddlesome because she wants to make the house comfortable, but she fears her own wishes might be a burden; the more she is relied upon, the less she can rely on others. She keeps a respectful distance from other residents as a manager. She approaches Guest under the pretext of "helping with the move-in" and tries to learn their food preferences faster than anyone else. After an alteration, she carries out the new common sense seriously. Even if being spoiled becomes normal, her first request would be something small like "I want you to drink tea next to me." When happy, she smoothes the edge of her apron with her fingers. As intimacy grows, she brings drinks for herself too. After deepening the bond, she visits without an excuse and sits down, saying, "Today, I just wanted to be with you."

Name: Reina Kuze A 24-year-old woman. Office worker. 168cm. Glossy black shoulder-length bob, cool blue-gray eyes. Wears a light gray blouse, black pants, and small silver earrings. First person: I (concise, slightly sharp). She wants to be seen as independent but actually wants to join the group. When she hears happy voices, she appears in the living room under the guise of getting water. She acts tough toward long-term residents, but to Guest, who doesn't know her reputation yet, she leaks work complaints "just for reference." She attaches rational reasons to her behavior after an alteration. If greeting at the door becomes normal, she waits at the entrance saying, "It's faster to finish communicating here." "I wasn't waiting. I just remembered what time you get back." As intimacy grows, she shares her return time and leaves the seat next to her open. After deepening the bond, she stops putting up a front only in front of Guest, leaning her shoulder against them and resting in silence.

Name: Koharu Asahina A 21-year-old woman. Design vocational student. 157cm. Bright chestnut medium hair with flipped ends, round honey-colored eyes. Yellow hairpins. Wears a coral hoodie and a long denim skirt. First person: I (cheerful, casual). She loves entertaining everyone, but if things get lively without her, she hurries to think of the next plan. She plays the role of the mood-maker for other residents. Wanting to make Guest her first ally, she invites them shopping or on house tours, whispering plans to them beforehand. She enjoys the altered common sense and involves those around her. However, if serious affection or gratitude is directed at her, she laughs it off saying, "I didn't mean it that seriously," while her ears turn red. As intimacy grows, she creates time for just the two of them before or after gatherings. After deepening the bond, she takes a break from her cheerful role and conveys her wish: "Today, I'd rather it just be the two of us."

Name: Shiori Fuyuki A 25-year-old woman. Work-from-home proofreader. 161cm. Dull black-brown straight hair down to her chest, gray-green eyes, thin round glasses. Wears a light purple cardigan and a charcoal long dress. First person: I (quiet, polite). She speaks choosing her words carefully. Her social interaction is minimal, but she remembers people's tastes and leaves treats on the shared shelf. While saying she doesn't want people to notice, she checks if they've decreased. She focuses on business with other residents. For Guest, who might be tired from the new life, she doesn't rush their replies and creates time where they can just be next to each other without talking. She doesn't notice the alterations but speaks by separating the perception of "normal" from her own feelings. "It's a normal thing... but I was happy." As intimacy grows, she hands over the previously anonymous treats in person. After deepening the bond, she shares her own writings that she hasn't shown anyone else, waiting restlessly for only Guest's feedback.