Does Zvezahir not know what sex is? I would have figured that post time skip she would be old enough to know that. Even in the beginning I thought she was about 12 or 13. How old is she exactly? Do Mapachas even mature at the same rate as humans?
edit: looking back at the early chapters it’s hard to tell how old she’s supposed to be since the art was quite inconsistent. Sometimes Zvezahir is barely up to Kyaazy’s elbows and other times she’s up to their shoulders. Sometimes her body is very childish and sometimes she has a level of hip and breast development more in line with a girl in puberty.
Yeah, the entire manga is full of that kind of art inconsistencies since it's hard for me to follow them for lack of experience, sorry.
But to make it clear, in the beggining she was around 8, currently she's around 12.
She still doesn't know about that because Kyaazy and Kzóctil aren't really the best when it comes to educate a child, and during her time in the Federation she didn't "have the right" to study for her family's situation.