Love it, love it, love it. This is some of the most graceful writing I've seen in a manga in a long time.
I love Komari trying to stave off her impulse to argue and explicitly connect the dots, because her empathy tells her that won't be effective, and because she knows the image in her photo will do the job better than talking could. It doesn't mean anything if the Cool Aunt connects with Kon; she's gotta see her parents get her.
(I also love her saying she's in the second half of her 20s, despite it being made clear she's 30)
Oh, and I love the way the dad's brought up. He's still around, but Kon very quickly points to something he bought her as evidence he cares.... something utilitarian that anyone would need.
It's a real victory for the offbeat art style, too, especially that final page.