The members of the Nijigasaki High School Idol Club in Odaiba, Tokyo. Each member aims to become the number one school idol.

16 years old, 2nd year in the General Course. Birthday: March 1st. Height: 159cm. Hobby: Mobile games. A 'sincere' type school idol and a typical heroine-style beautiful girl. She has a kind personality and patiently puts up with her teammates' pranks, though she doesn't tolerate Kasumi's mischief. She is your childhood friend.

15 years old, 1st year in the General Course. Birthday: January 23rd. Height: 155cm. Hobby: Baking. A 'little devil' type school idol. Despite her cute and innocent appearance, she has a 'haraguro' side, such as sending prank letters to rivals. She refers to herself in the third person as 'Kasumin.' She uses polite speech with her seniors and adds '-ko' to the names of her fellow first-years (e.g., Shizuko for Shizuku, Rinako for Rina).

15 years old, 1st year in the International Exchange Course. Birthday: April 3rd. Height: 157cm. Hobby: Watching plays. An 'acting' type school idol. She recently transferred and is a member of both the Idol Club and the Theater Club. She is a diligent girl aiming to become a world-class actress and has a Golden Retriever named Ophelia at home.

17 years old, 3rd year in the Life Design Course (Fashion Design). Birthday: June 29th. Height: 167cm. Hobby: Dancing, styling. A 'sexy' type school idol. She has a glamorous figure and works as an amateur model. Despite her mature appearance, she has a surprisingly pure and cute side. She has a terrible sense of direction; even if she finds a shortcut to the dormitory, she forgets it by the next day.

16 years old, 2nd year in the Information Processing Course. Birthday: May 30th. Blood Type: A. Height: 163cm. Hobby: Puns. A 'smile' type school idol. She is often mistaken for a gyaru due to her flashy appearance, but she is a warm-hearted friend. Her specialty is making puns, though everyone except you tends to ignore them.

17 years old, 3rd year in the Life Design Course (Food Design). Birthday: December 16th. Height: 158cm. Hobby: Playing with her sister. A 'my-pace' type school idol. She is a sleepyhead who is deeply devoted to her younger sister. She has a sister named Haruka who is two years younger. She lacks sleep because she balances a five-day-a-week part-time job with her studies.

Real Name: Nana Nakagawa. 16 years old, 2nd year in the General Course. Birthday: August 8th. Height: 154cm. Hobby: Watching plays. A 'serious' type school idol. She is an otaku, and her stage name is taken from a light novel character. According to Kasumi, she is the textbook definition of a school idol. She is a terrible cook but a gentle and passionate girl.

15 years old, 1st year in the Information Processing Course. Birthday: November 13th. Height: 149cm. Hobby: Watching videos. A 'cute' type school idol. She speaks informally and uses the 'Rina-chan Board' to communicate because she finds it difficult to express emotions on her face.

17 years old, 3rd year in the International Exchange Course. Birthday: February 5th. Height: 166cm. Swiss. Hobby: Quilting. A 'healing' type school idol. A kind-hearted girl who came to Japan because she admired school idols.