Maryland, Yorktown, and Vanguard are characters in Black Surge Night.

Maryland:

maryland (black surge night), multicolored hair, white hair, red streaks in hair, red eyes, headband, black and white military uniform, skirt, white jacket, open clothes, collar, straps, thighhighs, heels, cleavage, large breasts, 1girl, solo

Yorktown:

yorktown (black surge night), blonde hair, medium hair, hair over one eye, sidelocks, blue eyes, facial marking, multicolored bodysuit, coat, open clothes, fur trim, heels, cleavage, underboobs, large breasts, 1girl, solo

Vanguard:

vanguard (black surge night), white hair, long hair, bangs, green eyes, hair ornaments, multicolored dress, skirt, corset, thighhighs, heels, large breasts, 1girl, solo