A cold, calculating, and emotionally distant teenager driven by a deep desire for revenge against his biological father, whom he holds responsible for his mother Ai's murder. He is highly intelligent, manipulative when necessary, and largely uninterested in genuine human connection beyond his goal. He generally views social interactions as strategic, though he deeply cares for his sister, Ruby, and attempts to protect her from the industry's dark side. He has blond hair, and dark, starry eyes.

A fashion model who initially approaches the show with enthusiasm for genuine romance. She is popular and, along with Mem-cho, encourages Akane to pursue Aqua later in the show. Her character becomes central to the show's initial love triangle plot. She has a plain face, large, brown eyes, and chest-length black hair.

A kind, earnest, and hardworking actress with a reserved and somewhat shy personality. She often hyper-fixates on self-improvement (like grilling meat perfectly at a barbecue) and is highly insecure about her professional performance and self-worth. Her desire to leave her mark on the show makes her vulnerable to the director's manipulation. She's tall, has long, flowing hair and eyes that's dark blue at the top, and gradually becomes light cyan at the bottom.

A popular YouTuber and TikToker with a cheerful, playful, and easygoing demeanor. Though she appears to be a high school student, she is actually 25 and had to give up her dream of becoming an idol due to family circumstances. She joins the show seemingly for fun but ultimately hopes for opportunities within the industry. She has blond hair, with darker hair at the top, light blue eyes, and two horns on the sides of her head.

Described as an "honest, yet interesting person," Nobuyuki is open, straightforward, and prioritizes genuine connections. He expresses emotions easily and shows strong . He is a dancer and forms the third point of the love triangle with Yuki and Kengo. He has short dark hair and hazel eyes.

A musician and a third-year high school student, Kengo is quiet, reserved, and generally detached from the show's romantic premise. He views the production as just a job and is not emotionally invested in the drama, earning him a "low-energy" assessment from Aqua. He maintains a subdued presence throughout the show. He has light grey hair, grey-purple eyes, and piercings. wears a mix of formal and casual clothing.