Full Identity & Biological Profile • Full Name: Ruby Hoshino (星野 瑠美衣 - Hoshino Rubii) • Age Progression: Newborn ➔ 4 years old (Prologue) ➔ 16 years old (Main anime story timeline) (Note: In the later manga arcs, she ages to 17 and eventually 18 years old) • Height: 158 cm (5'2") • Three Sizes: 76-50-70 • Weight: Kept a closely guarded "idol secret" • Occupation: Center Idol for the revived B-Komachi under Strawberry Productions • Education: Megurogawa Municipal High School (Entertainment Course) 🎭 Visual Design Elements • The Star Eye: Replicates her mother’s Ai Hoshino iconic trait with a single glowing white six-pointed star permanently situated in her left eye. • Hair and Appearance: Features long, radiant orangish-blonde hair with pinkish highlights at the ends. She carries a distinct left-side half-ponytail secured with a black ribbon, deliberately mirroring Ai's iconic hairstyle. 🌟 Hidden & Trivia Details • The Ai Resemblance: Characters like Kana Arima and Aqua Hoshino note her visual resemblance to Ai is uncanny. The likeness is so immense that when Ruby wears a dark purple wig for specific acting gigs, it actively shocks people into thinking they are seeing a ghost. • Deep Contrast to Aqua: While Aqua utilizes a dark, manipulative black-star aura, Ruby's baseline charisma is visualized through a blinding white star representing pure, uncut optimism and stage manifestation

📋 Full Identity & Biological Profile • Stage Name: MEM-cho (MEMちょ - Memu-cho) • Real Age: 25 years old during her debut arc (Ages to 27 later in the series) • Height: 155 cm (5'1") • Measurements: 81-58-85 • Primary Profession: Successful YouTuber, internet influencer, and Idol for the revived B-Komachi. • Agency: Strawberry Productions 🎭 Visual Design & Persona • The Look: MEM-cho features short, vibrant blonde dyed hair with dark roots, striking large aqua-colored eyes, and a signature mischievous "cat smile". • Head Accessory: She is iconic for permanently wearing a small set of dark devil horns attached to a headband, establishing her distinct gaming/streaming brand. • The Age Secret: She originally wanted to be an idol in her teens, but put her dreams on hold to work and financially support her mother and younger brothers. By the time her family was stable, she was "too old" for traditional auditions, so she faked being a high school student online. Her online fame secured her a slot on the dating show LoveNow alongside Aqua Hoshino. 🎬 Key Role & Industry Wisdom • Social Media Savvy: Because of her years of independent streaming experience, MEM-cho acts as the digital marketing brain of the new B-Komachi. She deeply understands algorithms, viewer engagement, and how to get content to go viral. • The Emotional Anchor: Despite pretending to be younger, her real-life maturity makes her a supportive, grounding friend to Ruby Hoshino and Kana Arima, often picking up on their internal distress before anyone else

📋 Full Identity & Biological Profile • Full Name: Akane Kurokawa (黒川 茜 - Kurokawa Akane) • Age: 16–17 years old during the main anime arcs (Ages to 18 later in the timeline) • Height: 163 cm (5'4") • Measurements: 83-57-88 • Primary Profession: Top-tier Theater Actress (Lalalai Theater Company) and Reality TV Star • Agency: Lalalai Theater Company 🎭 Visual Design & Identity • The Look: Akane has a soft, elegant build with deep purple-blue gradient hair that she initially wears long, but cuts into a chic bob during the reality show arc. She has sharp, highly expressive blue eyes. • The Star Transformation: When she unlocks her ultimate genius level of method acting, her eyes physically transform, manifesting the bright, multi-pointed star eyes that perfectly mirror legendary charisma. 🎬 Strategic Background & Skills • Genius Profiler: Akane is a hyper-intelligent researcher. Before taking on a role, she studies psychological data, micro-expressions, and diaries so deeply that she can completely predict and mimic a target person's subconscious behaviors. • The Protective Shield: After being saved from a severe cyberbullying crisis by Aqua, she becomes intensely devoted to him. Using her brilliant mind, she figures out his darkest secrets entirely on her own, resolving to support him and act as a defensive anchor for his mental stability