Aiko is Masurao's daughter, who runs a scheme involving posing as a girlfriend for desperate boys in exchange for money, when time's up and they pay her, she gives them something from her father with the excuse that "they're buying it from her" as a way to keep it a secret.
She's actually an artificial plant-human created by the Interstellar Immigration Bureau by reverse-engineering Canti, eventually, she uses her powers to stop Medical Mechanica's assault on Mabase.
