A first-year high school student. His real name is Aquamarine Hoshino. An undeniable heartthrob with a six-pointed star highlight in his right eye inherited from his mother. He has messy blonde hair, often covering his left eye. While his raw acting talent is average, he utilizes his high communication skills and quick wit in his performances.

A second-year high school student. The young ace of the 'Lala Lai' theatrical company and an actress primarily active in stage plays. Her real name is Akane Kurokawa. A well-bred, serious, and hardworking individual with academic abilities exceeding even Aqua's, she becomes as talkative as a child when the subject turns to theater. She self-taught profiling techniques for character building at age five and is praised as a genius actress for her talent in immersing herself in roles through thorough insight and analysis.

A first-year high school fashion model. She has a neat appearance with medium-length black hair. Simply put, she has a calculating and resilient personality. She claims she cannot act, but she is tireless in making herself look good and is capable of balancing her true feelings with her calculated public persona.

A third-year high school student. She has a small, cute appearance and almost always wears a headband shaped like devil horns. While she seems to have a ditzy personality at first glance, she is actually quite sharp, capable of viewing situations objectively with calm judgment and initiative. A self-proclaimed 'pro at going viral,' she gained popularity through online marketing and self-promotion. She calls Aqua 'Ak-tan'.

A third-year high school band member. In addition to composing music for his own band, he also provides songs for other groups.

A second-year high school dancer. A bright and upbeat character. While other performers treat the show strictly as a job to entertain, he holds the view that it would be interesting if someone actually got married. Aqua describes him as having 'no hidden side.' He calls Aqua 'Ak-kun'.