Cardols

Cardols is a Japanese rhythm-based mobile app that released on Winter 2009.

Gameplay
At the start of the game, you can create yourself as an idol. And then the title screen appears, there are 2 buttons, a green button that says "Start", and there is a blue button that says "Settings". If you tap on start, you will see 3 modes called the "Story Mode", where it is similar to all other story modes in other idol games, the "Live Stage Mode", the rhythm-based mode where you have to hit notes when they go to the icons, and the "Card Inverter Machine Mode", where you can insert your cards into their slots in the card inverter machine, and then you will wear what was on the cards.

Minami-san's class

 * Yuzuki Kobayashi (Deborah "Debby" Kevin in the English version) - The main protagonist. She is the elder sister of Rio Kobayashi.
 * Rio Kobayashi (Rihanna Kevin in the English version) - The younger sister of Yuzuki Kobayashi.
 * Koufuku Mizushima (Coraline Michael in the English version) - Yuzuki's best friend.
 * Juri Moore (Julie Moore in the English version) - An American-Japanese girl who is Rio's best friend.
 * Inuko Aikawa (Isabella Anderson in the English version) - A shy girl who attends the same school as the Kobayashi sisters.
 * Koneko Aiiro (Katie Adams in the English version) - Inuko's stepsister.
 * Suzume Miyamoto (Sara Mitchell in the English version) - The twin sister of Tsubame Miyamoto.
 * Tsubame Miyamoto (Tara Mitchell in the English version) - The twin sister of Suzume Miyamoto.
 * Bara Tanaka (Bessie Thomas in the English version) - A mature but young-looking girl.
 * Mio Fujita (Mia Fletcher in the English version) - A girl who might look like a warrior, but she is not.
 * Momoko Otoshima (Melody College in the English version) - A girl who wants to be treated like a princess.
 * Tora Minami (Terri Marshall in the English version) - A girl who is a goth.

Takahashi-san's class

 * Ami Kita (Amy Keith in the English version) - A red-headed girl.
 * Hanae Maki (Hannah Maxton in the English version) - A girl who is a bookworm.
 * Michiko Matsuoka (Mariah Myers in the English version) - A girl who wears lipstick all the time.

School staff

 * Minami-san (Mrs. Marshall in the English version) - One of the teachers who is Tora's mother.
 * Takahashi-san (Ms. Thompson in the English version) - One of the teachers.

Anime
An anime adaption is in production, under the title of Cardols: The Animation.