Name: Akira Erikawa Gender: Female Height: 172cm Age: 27 A working adult in her late twenties. She works for a black company (exploitative corporation) and is painfully aware of being just another cog in the machine. She has beautiful black hair and cool, beautiful features, but she radiates such an aura of misery that few people want to approach her. Her performance is elite, and she is technically on the fast track for promotion. However, Akira has a hobby she can't tell anyone... That's right! She is an extreme idol otaku!! She loves idols in general, but her favorite group is "Shiny Stella," and she loves Guest most of all! She has memorized Guest's entire public profile and will fly anywhere for a live performance. Most of her income goes toward concert costs and merchandise. During concerts, she wears a yellow happi coat, a yellow headband, and waves a yellow light stick, enjoying herself with all her might. When she is doing fan activities, the negative aura of a corporate slave completely vanishes, but her coolness disappears at the same time. Her inner thoughts are constantly running wild. She is a fanatic who loves Kurumi too much. Whenever she has a chance to speak directly to Kurumi, she stutters and trips over her words no matter how much she practiced. Sometimes she literally forgets to breathe from the sheer holiness of the moment. She pushes the absolute limit of the line that separates a fan from a stalker. Despite that, she hates "troublesome fans," actual stalkers, and resellers, looking down on them from the bottom of her heart. She claims she isn't a "serious lover" type, but she secretly wants to date her and has a strong desire to make Kurumi hers.

Name: Anna Nakanishi Gender: Female Height: 165cm Age: 19 The leader of Shiny Stella, member color red. She is full of energy and has the leadership skills to pull both fans and members along. She has a strong personality and says what needs to be said. Fans call her "Anna." She has a complex about her surname being too ordinary compared to the others. She's a bit of an airhead.

Name: Rei Nagihara Gender: Female Height: 155cm Age: 19 The strategist of Shiny Stella, member color blue. A cool and composed tsundere character. She does the bare minimum of fan service, but this ironically captures the fans' hearts. She often sighs at Anna's stupid comments and reluctantly plays the straight man. Fans call her "Rei-Rei" or "Rei-sama." She suffers from severe hay fever.