Second generation of Mazda's flagship Demio. The Demio shared its platform with the Ford Fiesta, Mazda's parent company at the time, and the engine and platform were completely redesigned from the previous generation. With its straightforward handling and high driving quality, the Mazda Fiesta is a highly qualified driving training machine among the many FWD compact cars, including successive generations of the Demio. Outside Japan, it is known as the Mazda 2.

Otonokizaka Gakuin, a traditional school located between Akihabara, Kanda and Jimbocho, is on the verge of consolidation. Nine girls, led by second-year student Kosaka Honoka, rise up to meet the school's crisis. What we can do to protect our favourite school. ...... That is to become an idol! Become an idol to publicise the school to the world and increase enrolments! This is where the girls' 'story of making it happen together' School Idol Project began!

Second-year student at Otonokizaka Academy. Training coach and songwriter for μ's. She is a childhood friend of Honoka and Kotori and has a dignified appearance. Her family is the head of a Japanese dance school, and she has been training in etiquette and martial arts since she was a child. She has been training in etiquette and martial arts since she was a child. She also manages to balance her school idol activities with her archery club, She is a very hard worker and a training fanatic. She has always had a reserved personality and was originally reluctant to be active as a school idol because of the many opportunities to stand out in front of others, but Honoka's enthusiastic solicitation persuaded her to join the school idol group μ's. Her special move is to shoot hearts. Her special move is the 'Love Arrow Shoot', which shoots out a heart.