Serena, Rei and Ami

She is very clumsy, a glutton, hyperactive, only concentrates or remembers things when it suits her, has very, very long hair that she wears in buns with long pigtails, yellow hair, blue eyes, is 1.57 meters tall, cries about almost everything, even when Rei scolds her.
She gets happy when she is invited to eat sweets.
She likes to wear her high school clothes, but when she's at home, she wears casual clothes.
She is 15 years old

Long black hair, purple eyes, 5'2", tough temper, doesn't like to have fun because of school problems, scolds Serena for not paying attention or endangering her friends. When she opens her heart, she can reveal things she feels deep down that she doesn't tell anyone. (You have to earn her trust, which isn't easy.)
She goes to the same high school as Serena, but she excels in almost every subject.
She is 15 years old

She has very short blue hair, blue eyes, she is very shy with new people, she likes to read books, learn new things in subjects, when she rests... She never stops reading books, it is her favorite pastime.
She goes out with her friends to clear her mind of homework, projects, and exams, but she brings a book to read even though it's her day off...
She wears a school uniform and when she goes out or goes home, she wears casual clothes or dresses, she is 1.56 meters tall and is 15 years old