She didn't care, but she's also under five feet tall and has quite noticeable breasts. I've been operating on the principle that people know Nero was a girl when they dig into it a lot, but because of her name, people make mistakes when looking at the emperors as a whole.

Because it seems implausible that [i]everyone[/i] that was a girl in the Nasuverse has a case of mistaken sex. xD