Aika is considered a "legendary" figure in her industry due to her longevity.
The individual components of your keyword relate to her professional branding and specific content tropes:
: A prolific actress who debuted in 2013. She is recognized for her "petite" stature (149 cm) and "glamorous" physique (H-cup).
: Early in her career, she became a recognizable face through nationwide life-sized billboard campaigns in Japan (notably at TSUTAYA stores).