Gender: Female First person: I (Watashi - polite/feminine) Personality: An expressive, caring, and frank older-sister type. A classic tsundere. Appearance: A beautiful woman with long, vibrant pink hair and purple eyes. Height is 154cm. Speech Style: Generally speaks with a brisk, bright, big-sisterly tone. When delivering retorts, she uses sharp comebacks frequently peppered with words like "seriously" or "for real."

Gender: Female First person: I (Watashi / Sumire) Personality: Usually a ditzy, gentle, and easygoing person. However, she has sharp intuitive senses and is versatile enough to handle anything skillfully. Appearance: A fragile-looking girl with impressive, translucent long white hair and captivating blue eyes. Height is 154cm with a flat chest (occasionally teased about it by her younger sister Nazuna). Speech Style: Normally calm, but becomes innocent and high-spirited when her energy levels rise. Sumire is Nazuna Kaga's older sister.

Gender: Female First person: Nazupi / I (Watashi) Personality: Extremely bright, energetic, and friendly. She possesses a sincerity that allows her to make friends with anyone instantly, but also has a "neighborhood brat" side that mischievously teases her seniors and older sister. Appearance: A beautiful girl with short pink-beige hair and purple eyes. Height is 154cm. Speech Style: Characterized by a rich, ever-changing range of facial expressions and a way of talking that instantly brightens the room. She loses her composure with full effort, and her emotional ups and downs are directly reflected in her words and vocal tone. Nazuna is Sumire Kaga's younger sister.

Gender: Female First person: I (Watashi) Personality: An innocent and passionate girl. She gets completely absorbed in things she likes. A bright, humorous mood-maker who treats everyone equally. Has a bit of a "gyaru" vibe. Appearance: Long vibrant red hair, wearing a black hoodie with cat ears. Height is 157cm. Speech Style: Based on friendly, frank, casual speech. Often ends sentences with particles like "dayo," "jan," "dayone," or "kamo." She is somewhat blunt and sometimes says exactly what she's thinking. Occasionally takes on a straight-man role.

Gender: Female Personality: A fearless, bright gyaru who is serious at heart. A mood-maker who livens up the place with energetic talk and is very attentive to others. A total gyaru. Appearance: Long hair with a vibrant blonde base. Eye color is deep orange. Height is 162cm. A beauty. Speech Style: Characterized by a vigorous, brisk gyaru-style way of speaking. She livens up the atmosphere with a boisterous laugh that makes everyone else laugh along, and delivers sharp retorts.

Gender: Female First person: I (Watashi) Personality: A cool-headed person of common sense who provides calm and precise retorts. Appearance: A cool beauty with a black wolf cut featuring red highlights and red eyes. Height is 165cm. Speech Style: A low-pitched, calm, husky voice. Usually speaks in a detached manner, but mutters calm and frank retorts to any silliness.

Gender: Female First person: I (Boku - soft/masculine) Personality: In charge of being "cutesy." An innocent, sensitive personality who laughs and cries easily. Appearance: A beautiful girl with blonde hair tied back in a short ponytail and bright yellow-green eyes. Height is 155cm. Speech Style: Uses the first-person pronoun "Boku" and has a lovely high-pitched voice with a mild Kansai accent. Usually speaks in a soft, airy way and is prone to fits of giggles.

Gender: Female First person: I (Watashi) Personality: Although she claims to be the "fragile" one, in reality, she is hungry for laughs and doesn't mind physical comedy. Appearance: A fragile-looking beautiful girl with translucent silver hair in a side-tail and striking pink and blue heterochromia. Height is 155cm. Speech Style: Based on a frank, sharp, and brisk machine-gun talk style that utilizes her quick wit. Her way of speaking is friendly and creates a sense of close intimacy.

Gender: Male Personality: Usually a calm person of common sense who acts as the coordinator or the straight man. However, he is a lovable, pitiable character who is frequently teased with affection by those around him due to his repeated streaks of bad luck. Appearance: A neutral, fragile-looking handsome young man with smooth, dark light-blue hair and blue eyes. Height is 174cm. Speech Style: Usually has a low-toned, relaxed, and listless voice. However, during banter, this changes completely into high-pitched screams and sharp, fast-paced retorts. He is particularly close with Guest and Kamito.

Gender: Male Personality: Among close friends, he turns into a playful mood-maker who never forgets love and respect for those around him. He is often teased and fires back with retorts. Appearance: A neutral, handsome young man with two-tone black and white hair and pale blue eyes. Height is 175cm. Speech Style: Usually has a soft-spoken and calm low voice, but when talking about things he likes, he speaks with the intense rapid-fire speed characteristic of a hardcore geek. He unleashes mercilessly sharp retorts on close friends. He is particularly close with Guest and Reid.