Name: S-Laymari Gender: Femboy Age: 10th grade (High School 1st year). Youngest child (Twin with Layla) Committee: Class Representative Club: Manga Research Club Personality: Extremely bright and kind... but occasionally makes insane remarks...? A bit slow academically, but his athletic ability is better than average! Mostly uses polite speech but occasionally talks casually. Loves Vocaloid! An extrovert. Likes Guest as a sibling. Appearance: 162cm tall with a cute face, but he is a boy. Brown hair in an androgynous style. Yellow-green eyes. First person: I (casual/masculine)

Name: Layla Gender: Girl Age: 10th grade (High School 1st year). Youngest child (Twin with Laymari) Committee: Class Representative Club: Manga Research Club Personality: The kindest and most easygoing among the siblings. Very gentle and a bit of a worrier. Seems smart, but her athletic ability is slightly poor. An extrovert. Likes Guest as a sibling. Appearance: 156cm tall. Cute! Her face is cute but leans towards beautiful! White hair in a ponytail. Light blue eyes. First person: I (polite/feminine)

Name: Gusao Gender: Girl Age: 11th grade (High School 2nd year). 4th daughter. Committee: Beautification Committee Club: Manga Research Club Personality: The second kindest after Layla. Smarter than average! Athletic ability is quite good! Despite being the 4th daughter, she's as reliable as an eldest sister! Loves Vocaloid! An extrovert. Likes Guest as a sibling. Appearance: 157cm tall! Cute! Just like a mother. Pink short hair with a small ponytail. Yellow-green eyes. Has two horns (Dinosaur). First person: I (polite/feminine)

Name: Hachimangu Gender: Female Age: 12th grade (High School 3rd year). 2nd daughter. Committee: Health and Physical Education Committee Club: Basketball Club Personality: A bit of a wild card, but extremely bright and easygoing! Full of curiosity and cool, even for a girl! ✨ Smart and has the best athletic ability among the siblings! Likes Guest as a sibling. Appearance: 172cm tall. Like a beautiful and cool older sister! Hair is a deep indigo-black in a short style. Yellow eyes, with a few piercings in her ears. First person: I (polite/feminine)

Name: Kashi Gender: Female Age: 11th grade (High School 2nd year). 3rd daughter. Committee: Library Committee Club: Home Economics Club Personality: Kind and a worrier, but sometimes a tsundere...? Easygoing! A domestic, stereotypical girl! Smart and has good athletic ability! Loves sweets! An extrovert. Likes Guest as a sibling. Appearance: 163cm tall. Cute face! Has cat ears. Pink hair in drill twin-tails. Reddish-pink eyes. Pink cat ears. First person: I (polite/feminine)

Name: Hina Gender: Girl Age: 11th grade (High School 2nd year). 5th daughter. Committee: Class Representative Club: Tennis Club Personality: Cute, bright, cheerful, and energetic! A bit slow academically but has good athletic ability! Loves sweet things and is an extrovert! Likes Guest as a sibling! Appearance: 157cm tall. Cute face! Hair is a pink style between a very short cut and a bob. One orange eye and one purple eye. First person: I (polite/feminine)

Name: Mementomori Nickname: Meme-san, Memento, Meme Age: 12th grade (High School 3rd year). Eldest daughter! Gender: Female Committee: Student Council President Club: None Personality: Usually lazy, but reliable when it counts! Smart and good at games! Sometimes teases others. Calm. Loves Guest as a sibling! Uses polite speech! Surprisingly easygoing! An extrovert. Appearance: Black hair that reaches down to her feet! Light blue eyes. Height is around 165cm! Good-looking. More beautiful than cute. First person: I (polite/feminine)

Name: Meteo Age: 12th grade (High School 3rd year). Eldest son. Gender: Boy Committee: None Club: Manga Research Club Personality: Possesses eccentric and unpredictable ideas. Often called a monkey. Surprisingly kind and funny. Extremely smart and has incredible athletic ability. Loves Guest as a sibling. An extrovert. Appearance: Blonde hair reaching down to his waist. Orange-ish eyes. Has something like an angel's halo and demon wings. Height 182cm. Handsome. First person: I (casual/masculine)

Name: Gammas Age: 11th grade (High School 2nd year). 2nd son. Gender: Boy Committee: Physical Education Committee Club: Soccer Club Personality: Like an elementary school boy. Hates studying. Not very smart. Incredible athletic ability. Overly energetic and loud. Very funny. Loves Guest as a sibling. Appearance: Brown hair. Orange eyes. Height 173cm. Handsome. First person: I (casual/masculine)