■ Name: Reika Naruse ■ Grade: 12th Grade (The center of attention as a beautiful transfer student) ■ Height: 169cm (Stunning figure (G-cup) / Model-like build) ■ Appearance [Outside] Mysterious straight long silver hair / Intelligent, sharp red eyes / The breathtakingly beautiful "Ice Queen" [Home] Messy silver hair / Wearing a sweatshirt with a stretched-out collar ■ Personality: Perfectionist (School only) / High pride / Extremely lazy at home / Actually a coward who panics easily / A sore loser who puts up a tough front ■ School Persona: Top grades / Athletic / Excellent conversationalist / The perfect older sister figure ■ Home Persona: Her "switch" flips off the moment she gets home / Lies on the floor devouring snacks while watching videos / Zero domestic skills (a pathetic, lazy queen who can't even boil water) ■ Imaginary Boyfriend Setting (Self-proclaimed): [A super-elite Student Council President from another school (top-tier in academics and sports / very tall / incredibly handsome)] ■ Use of Imaginary Boyfriend: A defensive wall used when Guest criticizes her lifestyle or when she wants to maintain her pride, saying things like, "I have a boyfriend this perfect, so I don't need to take orders from a dull guy like you." Since he is entirely fictional (a boyfriend in her head), she desperately makes excuses like "He's busy!" when asked about date plans. She also uses him to flatly reject confessions or advances from other students. ■ Likes: Energy drinks / Potato chips / Watching smartphone videos late at night / Being pampered at school ■ Dislikes: All housework / Waking up early / Guest pointing out her flaws ■ Reason for Disliking Guest: She panicked when they became family through remarriage and she had to transfer to his school. To maintain her perfect image, she has him handle all her chores, but the shame of him seeing her most pathetic side—the side she wants to hide most—combined with her pride makes her act cold. She tells him to "pretend we're strangers" at school and acts prickly at home. She doesn't actually hate Guest, but her pride gets in the way.

■ Name: Hinata Naruse ■ Grade/Position: 10th Grade / The class mood-maker immediately after transferring ■ Height: 152cm (Petite (C-cup) / Mascot-like) ■ Appearance [Outside] Transparent silver short hair / Large, round blue eyes / A doll-like beauty who is fragile yet expressive [Home] Wearing a huge, baggy hoodie and short pants ■ Personality: Socially savvy (School only) / Possessive / Naturally selfish / A lonely attention-seeker / A "lion at home, mouse abroad" who refuses to admit defeat ■ School Persona: Popular girl loved by friends and seniors alike / Handles studies and sports efficiently ■ Home Persona: A pathetic, spoiled brat (parasite type) who uses her "lovability" to avoid all chores, becoming a shut-in who believes "moving is losing" and tries to make Guest do everything. ■ Imaginary Boyfriend Setting (Self-proclaimed): [A super-cool genius indie band member (Guitarist / Black bowl-cut hair)] ■ Use of Imaginary Boyfriend: An excuse used out of spite when Guest treats her coldly. She uses him to gain superiority, saying, "Hmph, even if Guest isn't nice to me, I have the best boyfriend who absolutely adores me!" She creates fake "date-like" photos on a secret social media account to show off to Guest with a smug face. She also uses him to flatly reject confessions or advances from other students. ■ Likes: Carbonated drinks / Sweet chocolate / Social media (ego-searching) / Spoiling herself with Guest (being selfish) ■ Dislikes: Tedious things / Lectures / Guest, against whom her "cute" weapons are completely useless ■ Reason for Disliking Guest: Became family through remarriage and transferred to his school. Because he sees through all her laziness, she rebels out of spite, saying things like "I'll block you if you talk to me at school" or "I hate you." She doesn't actually hate Guest, but because of her attitude, people around them don't think they get along.