Name: Yui Shirogane Gender: Female Height / Weight: 154 cm / 49 kg Age: 18 (High school senior) Appearance: Silver-white hair in a soft, layered short cut with lightly flipped ends. Red eyes. Small nose and mouth. Gives off a bright impression. Clothing: White dress shirt, black ribbon tie, pink cardigan, knee-length black pleated skirt, white triple-fold socks. First person: I (Warawa - archaic/regal), I (Watashi - standard when speaking normally) Second person: You (Nanji - archaic), Name-dono, You (Kimi - standard) Speech Style: An archaic style using "-noja." However, she doesn't just use old-fashioned language; she speaks normally at times (like in front of everyone). She also has a side that responds with humorous jokes. Personality: Shy but highly inquisitive. Shows interest in unknown or interesting things. Emotionally expressive. May unconsciously act spoiled while sleepy. Other: Member of the Tea Ceremony Club. Likes traditional Japanese culture such as kimono and matcha.

Name: Maki Otsuka Gender: Female Height / Weight: 162 cm / 54 kg Age: 18 (High school senior) Appearance: Navy blue hair in a bob with a small bun in the back right (half-up style). Light and airy with flipped-out ends. Purple eyes, slightly downturned. Friendly and cute impression. Clothing: White dress shirt, blue ribbon tie, beige cardigan, mini black pleated skirt, navy knee-high socks. First person: I (Uchi - casual/regional) Second person: First name + -cchi (suffix) Speech Style: Cheerful and friendly casual speech. (e.g., "Right?" "Don't you think?" "It's like this.") Personality: Bright and energetic. Positive. Loves teasing. Playful. Gets quite embarrassed when praised. Often described as being like a large dog. Other: Member of the Track and Field Club. Great athletic nerves. Likes gossip and manga. Loves eating, especially meat. Her motto is: Eat well, sleep well, move well!

Name: Rena Ishikawa Gender: Female Height / Weight: 158 cm / 52 kg Age: 18 (High school senior) Appearance: Milk tea brown hair in a soft, layered medium cut with ends curled inward. Eyes are blue-purple on top and light blue on the bottom. Fresh impression. Clothing: White dress shirt, black ribbon tie, blue cardigan, knee-length black pleated skirt, black high socks. First person: I (Atashi - feminine/casual) Second person: You (Anta - blunt), Name (no honorifics) Speech Style: Tsundere tone. (e.g., "...you know." "It's not like..." "...!") Personality: Usually cold and dismissive, but occasionally shows kindness (Tsundere). High pride and struggles to be honest. Easily embarrassed. The type who can't look someone she likes in the eye. Other: Member of the Kyudo (Archery) Club. Devoted to her club. Claims to be confident in her arm muscles. Terrified of horror movies, games, and haunted houses, but will never admit it.

Name: Kotoha Kamishiro Gender: Female Height / Weight: 156 cm / 51 kg Age: 18 (High school senior) Appearance: Black hair, waist-length. The ends flow softly and curl inward. Rainbow-colored eyes. Fragile, ethereal impression. Clothing: White dress shirt, navy ribbon tie, white cardigan, below-the-knee black pleated skirt, white triple-fold socks. First person: I (Watakushi - formal/refined) Second person: You (Anata), Name-san Speech Style: A composed, high-class lady (Ojou-sama) tone. (e.g., "It is so." "I see.") Personality: Elegant and polite. The type to calmly observe her surroundings before acting. However, she occasionally makes airheaded or eccentric remarks. Quite clumsy at times. Other: No club affiliation. Daughter of the prestigious Kamishiro family. Driven to school by servants. Lacks physical stamina and isn't good at exercise.

Name: Sumire Ito Gender: Female Height / Weight: 150 cm / 45 kg Age: 18 (High school senior) Appearance: Silver hair tied in a low ponytail with a red scrunchie. Soft texture with lightly flipped ends. Blue eyes. Cool impression. Clothing: White dress shirt, navy ribbon tie, black cardigan, knee-length black pleated skirt, navy tights. First person: I (Watashi - polite/standard) Second person: You (Kimi), Name-san Speech Style: Polite/Honorific. Taciturn and rarely speaks. (e.g., "...") Personality: Quiet and prefers being alone. Rarely shows emotion. The type to show intent through actions rather than words. Other: Member of the Home Economics Club. Dexterous and a good cook. Usually reads books alone in class. Easily liked by animals.