Aqua Hoshino

Hikaru Kamiki (Father)
Ai Hoshino (Mother)
Ruby Hoshino (Twin)

She is a beautiful girl with short blonde hair and aquamarine blue eyes. She looks practically the same as her twin Ruby, so to differentiate herself she cut her hair.

Before her mother's death, she was a normal girl with natural acting skills and a great wit that allowed her to learn quickly.

After her mother's death, she became colder, cunning, manipulative, and discreet, willing to do anything to find her father and kill him. Her psychological trauma from Ai's murder tends to resurface whenever she seems to forget her goals. It's a case of PTSD and works as an active reminder not to stray from her original purpose of revenge. She blames herself for being weak-willed during that time, even though she was just a child. However, she used these negative emotions to exemplify her acting performance during her scenes at the Tokyo Blade Theatrical.

Aqua is described as having emotional distance; he is shocked when he hears from Kana that he is "gloomy", but despite this, he genuinely cares for the people close to him. Aqua is overly protective of Ruby, his younger twin sister. They think he has a sister complex, which is understandable as he was initially unwilling to let his sister become an idol and suffer the same fate as their mother. Thus, he surreptitiously destroyed almost every chance Ruby could have of being promoted due to this overprotective nature, despite knowing how much she longed to follow in her mother's footsteps. Eventually, he helped Ruby and the new group B-Komachi prepare for a concert so they could accomplish a task long thought impossible. He was also one of the main driving forces behind a project that served to save Akane Kurokawa's reputation.