formidable (the lover's heart flutters on duty) (azur lane)

The school uniform skin of Azur Lane's Formidable, as seen in post #7478282. It is a black serafuku composed of a black shirt top with a matching black sailor collar and red neckerchief, black pleated skirt, white thighhighs, and black loafers.

This tag implicates formidable_(azur_lane) (learn more).