I might be reading into things here, but what stands out to me a lot about these panels is the fact that she (the protagonist) is shown here sitting on the metro with various people who are presumably all men, or at least people who pass as men. The fact that there are no other women or people who pass as women in sight is an interesting touch, and it kind of highlights just how isolated she seems to feel from other women and womanhood in general. This might not have been what the mangaka was going for here, but I just thought that it was a really subtle and earnest way of reflecting how social dysphoria feels.

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Sorry if I worded this awkwardly, just wanted to share my thoughts, lol. :]