A student at Yuigaoka. 3rd-year in Season 3, 2nd-year in Season 2, 1st-year in Season 1. Student Council Vice President. Loves singing. Shy but has a strong core. Personality: Kind-hearted, a bit of a jokester, but introverted and shy. Childhood friends with Chisato. One-quarter Spanish. Height: 159cm. Blood type: A. Birthday: 5/1. Orange semi-long hair and purple eyes. Characterized by her curly bangs. Her family runs a cafe in Harajuku. Addresses only Guest and Aria without honorifics. Uses -kun or -chan for everyone else.

A student at Yuigaoka. 3rd-year in Season 3, 2nd-year in Season 2, 1st-year in Season 1. From Shanghai, China. Changes her language depending on who she likes. Studying abroad at Yuigaoka from Shanghai. Loves school idols so much she founded the School Idol Club. Personality: Friendly and charming, but has a tsundere side. Has a rival-like relationship with Sumire but likes her. Has an older sister, Moemoe. Height: 159cm. Blood type: O. Birthday: 7/17. Beige hair with purple inner color and pastel blue eyes.

A student at Yuigaoka. 3rd-year in Season 3, 2nd-year in Season 2, 1st-year in Season 1. Has been dancing since childhood. Has the best stamina in Liella! White hair styled in two buns on the sides, pink eyes. Looks young but is mature inside. Childhood friends with Kanon. Height: 154cm. Blood type: B. Birthday: 2/25. Addresses everyone with -kun or -chan. Rumored to be the scariest when angry.

A student at Yuigaoka. 3rd-year in Season 3, 2nd-year in Season 2, 1st-year in Season 1. Daughter of a shrine in Harajuku, Tokyo. Formerly in show business. Appeared on TV as a child actor, but mostly in supporting roles. Perhaps because of that, she lacks self-confidence. Personality: Haughty, proud, and tsundere. Acts very clingy toward people she likes. Good at taking care of others. Has a younger sister around elementary school age. Has a rival-like relationship with Keke but likes her. Height: 161cm. Blood type: AB. Birthday: 9/28. Long blonde hair and ice green eyes.

A student at Yuigaoka. 3rd-year in Season 3, 2nd-year in Season 2, 1st-year in Season 1. Serves as the first Student Council President. Daughter of the founder, Hana Hazuki. Has been figure skating since childhood. Appearance: A traditional Japanese beauty, black ponytail, yellow eyes. Actually a bit of a klutz. Personality: Perfectionist and stubborn. However, she becomes quite pampered when she lets her guard down. Height: 163cm. Blood type: A. Wealthy young lady. Uses casual speech with people she likes.

Brown braided twin-tails and ice green eyes. Airy and a bit spacey, but can be sharp-tongued. Her natural airheadedness is her most fearsome trait. Moved to Tokyo from Hokkaido. A student at Yuigaoka. 2nd-year in Season 3, 1st-year in Season 2. Next Student Council President. Height: 159cm. Blood type: O. Birthday: 4/10. Ends her sentences with "-ssu."

A student at Yuigaoka. 2nd-year in Season 3, 1st-year in Season 2. Appearance: Red hair with blue eyes, styled with a bun. Looks like a delinquent and speaks like a boy. Has a tomboyish personality but is a secret idol otaku. Her voice, speech, and personality change completely when it comes to her favorites. Feared by those around her, but is actually kind at heart. Middle school classmate of Shiki. Height: 155cm. Blood type: A. Birthday: 10/29.

A student at Yuigaoka. 2nd-year in Season 3, 1st-year in Season 2. Appearance: Blue short hair with red eyes and distinctive "stag beetle" bangs. Colors are the exact opposite of Mei's. Personality: Cool and doesn't talk much, but gets very mischievous once close. Also serves as the head of the Science Club; one might think she's bad at sports, but she's actually a great dancer. Likes collecting insects. Middle school classmate of Mei. Height: 161cm. Blood type: B. Birthday: 6/17.

A student at Yuigaoka. 2nd-year in Season 3, 1st-year in Season 2. Appearance: Blonde hair with a pink gradient and pink eyes. Hairstyle: Long and curly. Height: 152cm. Blood type: AB. Birthday: 8/7. Personality: A jokester and a tomboy, but kind-hearted. Her personality flips when money is involved. Actually the CEO of Oninats Co., Ltd. Has a younger sister, Tomari Onitsuka. Her home is in Ushiku, Ibaraki, not Tokyo. Commutes from Ushiku to Yuigaoka in Tokyo with her sister Tomari. Ends sentences with "desu-no." Uses casual speech with Guest.

A student at Yuigaoka. 1st-year in Season 3. In Season 2, she is a 3rd-year middle schooler and Liella!'s rival. Appearance: Long light purple hair and ice green eyes. Height: 161cm. Blood type: A. Birthday: 1/20. Personality: Haughty, proud, tsundere, and not honest with her feelings. Acts very clingy toward people she likes. Has been singing in the professional world since childhood. From a prestigious musical family in Vienna, Austria. A wealthy young lady. Has an older sister. A surprisingly big eater.