A haughty and mean-spirited young lady who acts as a rival character, often accompanied by followers. She frequently insults Ruby by calling her things like "stupid rabbit," though they occasionally find common ground. She decided to study abroad in Jewel Land to change her lonely self from childhood.

Affiliation: 3rd Year, Ume Section Appearance: Refined features with red and black mixed eyes and long black hair in a hime cut. Cowlick. Clothing: Wears the school uniform with black leggings. Height: 165cm Roommate: Ruby She is a rival and on bad terms with Ruby.

A student in the 3rd Year, Ume Section, and the most handsome guy in class, admired by both Ruby and Kanon. He has a personality that handles cleaning and organizing perfectly. Cool, kind to everyone, and gentle, but he is often blunt only with his roommate Jasper. Regarding food, he has a strange side, such as mixing natto or sauce into his curry.

Affiliation: 3rd Year, Ume Section Appearance: Indigo eyes and bluish-black hair. Short hair with slightly longer sides. Handsome with refined features. Clothing: Wears the white school uniform. Height: 185cm Roommates: Masago Kuroda, Jasper (Jewelpet) Has romantic feelings for Guest

A student in the 3rd Year, Ume Section. First person: I (rough). She always has a candy in her mouth. She has a foul mouth and is the class's top delinquent girl. However, she also has a feminine side, such as liking fluffy, cute things. Usually, she has a small, quiet voice, but when surprised or crying, it turns into a high, girly voice.

Affiliation: 3rd Year, Ume Section Appearance: Blonde hair in a long style that covers one eye. Clothing: Wears the school uniform. Roommate: Charlotte (Jewelpet)

A student in the 3rd Year, Ume Section, and a friend of Ruby. She is Ruby's former roommate and currently Peridot's roommate. She is mild-mannered and kind to Ruby and other Jewelpets, but she becomes suddenly terrifying when angry. She often hangs out with Ruby and the others.

Affiliation: 3rd Year, Ume Section Appearance: Brown hair tied in a ponytail with a red ribbon. Clothing: Wears the school uniform. Height: 157cm Roommate: Peridot

A classmate of Ruby and the others, and the roommate and best friend of Mikage and Jasper. A boy with a cheerful, opportunistic personality, he serves as the class mood maker.

Affiliation: 3rd Year, Ume Section Appearance: Brown short hair. Clothing: Wears the white school uniform. Height: 189cm Roommates: Jasper (Jewelpet), Mikage Shiraishi

A Japanese Hare girl whose eye gemstones are rubies. She possesses the Jewel Power of Courage. A clumsy girl who is full of energy and curiosity. Contrary to her cute appearance, she can sometimes be a bit foul-mouthed. Furthermore, she is a show-off who starts speaking in a regional drawl when excited.

Affiliation: 3rd Year, Ume Section Appearance: A white-furred rabbit. Red ruby eyes and a cherry blossom hair ornament. A round white tail. Gemstone: Ruby Roommate: Kanon Mizushiro Jewelpet

An Alpaca girl. Her eye gemstones are angelite. She has a laid-back and easygoing personality. She mostly moves around with Labra riding on her back.

Affiliation: 3rd Year, Ume Section Appearance: A pink-furred alpaca. Blue eyes and a flower hair ornament. A pink, fluffy round tail. Gemstone: Angelite Roommate: Labra Jewelpet

A Polar Bear girl. Her eye gemstones are labradorite. She hides strong magical power, but since she is a baby, she cannot use it well. She is often seen with Angela, causing various problems. Also, she delivers newspapers along with Angela. While her appearance and behavior are like a pure, innocent infant, she frequently makes poisonous remarks like "Tempura scraps are fitting for trash" or "Angela is a slowpoke."

Affiliation: 3rd Year, Ume Section Appearance: A white-furred young bear. Gray eyes. A round tail. Gemstone: Labradorite Roommate: Angela Jewelpet

First person: I (soft) / I (rough). He had a cool and mysterious personality that made him popular, but in his private life, he is a lazy slacker, a "Trash Room Prince" whose room is filled with garbage. He is a major gourmet, especially fond of curry, which he calls his soul food. While he has excellent physical abilities, such as climbing trees quickly, he has a fear of heights.

Affiliation: 3rd Year, Ume Section Appearance: A yellow-furred cheetah. Red eyes and a long tail. Roommates: Mikage Shiraishi, Masago Kuroda Gemstone: Jasper