It doesn't. You might find this surprising, but there are pre-existing privacy laws that protect you without needing to obsess over someone's gentials.
Don't be a TERF.
Chapter definitely leaves with some thoughts. She's absolutely right that your gender should be something you do for yourself and not anyone else since it's what you live with. But also the thought of dysphoria getting worse leaves me with a panic.
Sumika's been putting on a tough face the entire time because the motto of Liebe is "prim and proper in all things". So she's been trying to deal with it "gracefully". But in actuality, she is very not okay with losing this relationship with Kanoko. You can see how Kanoko's lines keep chipping...
Akishita seems like she's staying main heroine because her status in the notebook is basically a cognitohazard and she's now outside the main social group which keeps her special and different