Re-read that panel's composition. It's showing how she ISN'T an adult.
She plays with stag beetles. Dress-up doll trading cards. And is holding a 3DS.
Which raises the question: is it that which is in the heart which makes one a "loli"? Or the body?

I would say "loli-baba" or "noja-loli" also exemplify the other extreme of that divide.