for me its his proffessional stroke in anatomical structures it is always cannot be perfected because if you do still will look unbalanced in the eyes, our eyes has an inacurate part when looking objects so JOEIAN in this picture is relaxed and balance to the eyes ^_^
It should not look the way JOEIAN lineouts instead how this image expressions, shes shy with a little seductive affection to a person she looking hehehe it like she's telling them that "I have a sexy body" or "Im so sexy with this"
I think I finally figured out why there are so many Miko every year in anime/manga. Because when dressing like THAT, they don't stay Shrine 'Maidens' for very long. So they have to constantly be 'restocked' with new Miko...