Kana Arima

Appearance
Kana is a cute girl who usually wears a hat, her hair is a bob cut, she constantly changes her appearance due to her former job as an actor.

Personality
She is cheerful, confident, and has sharp tongue which often leads to her saying thing without thinking about it first. Nonetheless, she is very empathetic, weak to pressure, and diligent, to the point she continued to train her acting skills even when she couldn't find work. She also puts the quality of the product she works on above everything else, even her reputation as an actor, (something she is very conscious of).

Story
She is an actor since she was 3 years old, she was also known for being a prodigy, but after she grew up, the internet described her as "Yesterday news", but with her career falling down she never stopped acting, after she met Aqua again, he convinced her to start an idol group with his sister, she agreed to join, now she is a self proclaimed idol that will hopefully grow to be a popular idol in the future.

Relationships
Aquamarina Hosino: she started acting with Aqua since she was 4 years old, when he acted with her in the first time, she was absolutely amazed, she met him again in highschool and became friends with him, she also secretly developed a romantic feeling for him.

Ruby Hoshino: she is Aqua's twin sister and also her partner, Ruby misheard her nickname "A Genius Child who would Flick a Crying Switch" into "A Genius Child who would Lick a Flying Snitch" which made Kana mad, Ruby and Kana later became partner idols, she dislikes Ruby's intense personality

Trivia
In chapter 6 1st page we see an older Kana from the future, she said "A-kun" will get mad when she goes overboard with her metaphor, in the "Reality Dating Show" arc, people refer to Aqua as A-kun, and since she have a crush on Aqua this could be a hint that they get along in the future.