Yes they do, but the point here is that Spotted Hyenas are the only mammal species where the female is physically way larger and dominant than the male
The implication is that she shows up at school like this instead of something caused by bullies in the school. Therefore the most a teacher can do report it but if it's her parents then it's almost a lost cause
On the contrary this new insight explains a lot, why is he obsessed about those who like his homie
and him saying to Umimi that he wanted to fall in love with someone else and that she is the same as him the previous chapter would take a new meaning