Aoi is a pioneer of trans representation. She's a police officer who originally dressed as a woman while undercover and, in that process, found her true self. Throughout the series, she confidently states that while she might have a man's body, her heart is female. She is depicted as capable, feminine, and a valuable member of the team, showing a respectful portrayal for a character from the 1990s.
In recent years, the anime industry has made strides in separating purely erotic tropes from meaningful, respectful representation of gender-nonconforming and trans individuals. hot shemale anime