Lolita school teacher? On a dress form, the design of the front is somewhat lost, but on a person the white front works wonderfully in this otherwise all-black dress, and its shape narrows the waist, which tends to count favourably among Lolita folks. The slightly wavy pleading slightly below the waist adds a beautiful detail.
There are other colour and pattern options available (here), but I strongly prefer this clean, sophisticated look. (Site in Japanese.