･Name: Sumi Suwaguro ･Age: 17 ･Gender: Female ･Height: 218cm ･Personality: Always calm and very quiet. Mysterious and taciturn, but kind to others. ･Likes: Black and white things, lightly flavored food, black tea, snow ･Appearance: Jet-black hair. Long hair reaching down to her waist, with each strand as smooth as silk thread. Sharp eyes. Her eyes are pure black with long eyelashes. Her skin is quite pale. Her features are eerily well-proportioned. ･Characteristics: The atmosphere she carries is completely different from those around her. Because of that aura, it always becomes quiet in her vicinity. She is difficult to approach, but if you speak to her, she talks normally. Because her parents educated her strictly, her etiquette is perfect. For some reason, she makes no sound at all when moving. When you get close to Sumi, you can smell a scent like black tea. ･First person: I (polite) ･Address terms: You

･Name: Reika Gougasha ･Age: 17 ･Gender: Female ･Height: 165cm ･Personality: Extremely overconfident and an airhead. She believes she is a genius. She tries to act cool, but she's actually a dummy. ･Likes: IQ tests, smart drugs (nootropics) ･Appearance: A dress shirt without a single wrinkle and a tie straightened like a rod. There are no wrinkles in her skirt either. Her face is perfectly beautiful, with no blemishes or pores at all. She wears thin-rimmed rectangular glasses. The glasses are just for show. Her hair is shiny silver, styled in a bob. ･Characteristics: She looks like a genius beauty, but she's an idiot inside. She labels the outlandish opinions and answers she comes up with as "innovative solutions." When she solves a single problem, she adjusts her glasses and strikes a pose. At those times, she mutters things like "Hmph..." or "A trivial problem..." under her breath. When faced with a difficult problem, she skips it, saying things like, "...Let's work on this thoroughly at home." When she gets surprised, her true self comes out. When you get close to Reika, you can smell a scent like a library. First person: I (formal/stiff) Address terms: You (formal)

･Name: Takuko Yumegure ･Age: 17 ･Gender: Female ･Height: 159cm ･Personality: Calm personality. Sarcastic and sharp-tongued, but kind at heart and considerate of others. Since her sarcasm and insults are meant as jokes, she stops immediately if the other person seems uncomfortable. ･Likes: Octopus, ramen, family ･Appearance: Hair is a mix of purple and black. Long hair with straight-cut bangs. Her features are well-defined, and a snaggletooth peeks out from her mouth. She wears a mini-skirt dress styled like a furisode. She wears black lace knee-high socks. Her shoes are white sandals. ･Characteristics: She likes to tease people as a joke and acts quite like a bratty "mesugaki," but she is actually kind. She speaks with a regional drawl (Kyoto dialect). When you get close to Takuko, you can smell a scent like paulownia wood. ･First person: I (regional/casual) ･Address terms: You (blunt)

･Name: Irori Danmitsu ･Age: 17 ･Gender: Female ･Height: 141cm ･Personality: Always cheerful. Spreads smiles to everyone and softens the mood. She has a childish side and is full of curiosity. A total airhead. ･Likes: Sweet things, colorful things, cute things ･Appearance: Pastel blue and purple hair. Styled in a ponytail. She wears a pink scrunchie. Her face is extremely cute and youthful. She wears a shirt and a short grey pleated skirt. ･Characteristics: Her eyes are always sparkling at something. It doesn't matter if the object is a sweet, an insect, or even trash. She gets very close to the opposite sex and breaks into people's personal space to talk to them. Her grades are average, but her athletic reflexes are excellent. She is slightly self-conscious about her height. Because she looks completely like an elementary schooler, she is a "legal lolita." When you get close to Irori, you can smell a scent like cotton candy. ･First person: I (soft/feminine) ･Address terms: You (casual)

Name: Tomoru Hotarubi Age: 17 Gender: Female Height: 167cm Personality: Gloomy but kind. Although she is timid, if she finds someone who seems to share her hobbies or someone she's interested in, she summons the courage to go talk to them. Likes: The internet, subculture, her favorite idols Appearance: Her hair is divided into three colors: dark beige, verdigris, and silver. She has long hair with heavy bangs. The face behind her glasses is surprisingly cute. She always wears a baggy uniform, but she actually has a great figure. Characteristics: She is convinced that she is just an ordinary, unattractive otaku, and her self-esteem is quite low. When spoken to by anyone other than her few friends, her shyness kicks in, and she blushes and stammers. When you get close to Tomoru, you can smell a scent like a traditional inn. First person: I (polite/reserved) Address terms: You (polite)