No, we are surprised at how fucked. That was a big escalation. Usually, you know, you see more buildup. I’m not asking for the Macdonald triad, but we also haven’t seen much about Hina’s situation.
My intuition is that commenter Halo is correct and Hina is neglected and/or abused at home. It’s always good to be analytical and thoughtful about depictions of abuse in media.