This dress really represents a type of Japanese style that relies on manga references, knee socks, and little girl dresses. Would you call that harajuku? Visit Japanese street's website to see more street fashion from Japan.
This look makes me think of Takashi Murakami, who's art also references the pop culture of Japan.
Heres what the experts have to say: "The look was a sort of mixed-up, manga version of the Parisian gamine/sophisticate, with smartly girlish dresses in bold childlike prints, finished with proper little hats and fab spectator oxford wedge booties. And the preponderance of sailor stripes, rendered in multiple quirky knit forms, seemed a nod to quintessential hometown girl Sonia Rykiel"