Supporting Characters

Family
Amane=

Seiji Shingen's niece, who he loves dearly and is fiercely protective of. She has a crush on Ryu Kimura, wanting to marry him much to Seiji's dismay and anger (towards Ryu only).

When Seiji first became an idol, there were tabloid rumors that Amane was his illegitimate daughter, but it was soon cleared up with the rest of FRAME that she was his niece.

Appearances

 * Papa is an Idol!, Ch. 1
 * Papa is an Idol!, Ch. 2
 * Be Charming Like a Man! (Mentioned)
 * Playing is Serious Too (Mentioned)
 * The Pink Scarf (Mentioned)
 * Mission Valentine
 * Is This Right? (Mentioned)
 * This is a Professional
 * 姪と探偵
 * 離れていても思い出す

Ritsuko Akizuki=

Ryo Akizuki's cousin who is an idol at 765 Productions. During the events of Dearly Stars, she introduced him to 876 Productions, where he worked as a female idol.

Appearances

 * Rule-Defying Debut?!, Ch. 2
 * A Flavor to Be Proud Of (Mentioned)

Other
Ai Hidaka=

Ryo Akizuki's former unitmate from when he was in 876 Productions during the events of Dearly Stars. Ai is a passionate and loud girl whose mother was once the country's top idol.

Appearances
Angel=
 * Smiles After the Rain (Mentioned)
 * Head Towards the Future and Spread Your Wings! (Mentioned)
 * A Flavor to Be Proud Of (Mentioned)
 * Soaring Towards the Future! (Mentioned)
 * 【Candid Shot】Ryo Akizuki

Kei Tsuzuki's former friend who he met in Berlin as a child. The so-called Angel was a musician who performed in a hall near Kei's home; this was where they met, sparking a friendship that would heighten Kei's interest in music. One day, the angel suddenly left Berlin as they had supposedly gained a successful music career.

Appearances

 * School of Chorus (Mentioned)
 * Kei Tsuzuki's Side Memories (Mentioned)

Eri Mizutani=

Ryo Akizuki's former unitmate from when he was in 876 Productions during the events of Dearly Stars. Eri is a shy, quiet girl who became an idol after gaining fame online as her net persona.

Appearances

 * Smiles After the Rain (Mentioned)
 * Head Towards the Future and Spread Your Wings! (Mentioned)
 * A Flavor to Be Proud Of (Mentioned)
 * Soaring Towards the Future! (Mentioned)
 * 【Candid Shot】Ryo Akizuki

Legendary Songstress=

A singer who Kei Tsuzuki once composed a song for. For unknown reasons, she retired suddenly.

Little bros=

The delinquent underlings of Genbu Kurono, who attend Ouken high with him and Suzaku. They all highly respect Shinsoku Ikkon, even going to their performances.

The blonde student is referred to as Hero Loving Student in Suzaku's Side Memories.

Appearances

 * Job★Challenge ~For Some Reason, we are Police Men! Soccer Players! Pilots!~ (Mentioned)
 * Booming Loud Roar! Crimson Live
 * Suzaku Akai's Side Memories
 * 応えてこそ本物
 * かみ合わない会話
 * After Demons, It’s the Unbelievable...
 * 【Candid Shot】Genbu Kurono
 * 【The Smart Sort of Chief】

Seiji's Friend=

Seiji Shingen's former friend who was in the Japan Self-Defence Forces with him. He died in the middle of a terrorist attack while protecting a child. Seiji has fond memories of making curry with him. Their curry contained chocolate, giving it its unique flavor.

Appearances
Shinokawa=
 * I Don't Want to Lose Twice, Ch. 2
 * A Curry Made with Memories
 * Kitchen Idol! Which Curry SHOW (Mentioned)

A photographer who first appeared in the manga Jupiter ~THE IDOLM@STER~. He has since appeared various times in Jupiter's workplaces.

Appearances

 * The Sun of You
 * 山梨で再会だぜっ!

Takao Kuroi=

The president of 961 Productions, whom Jupiter formerly worked for during the events of THE iDOLM@STER 2. Jupiter left his agency after Touma found out that he was using illicit methods to push the unit's popularity.

Appearances

 * Signlight Illumination (Mentioned)
 * Detective Aaron Case Files ~The Truth the Chess Pieces Reveal~ (Mentioned)
 * Aim to be Top Idol, Ch. 1
 * Aim to be Top Idol, Ch. 2