nami 1899, firefly (honkai: star rail), honkai: star rail, honkai (series), highres, 1girl, alternate costume, animal ear hairband, animal ears, arm under breasts, bare shoulders, black hairband, black leotard, black necktie, breasts, bunny day, cleavage, collar, collarbone, covered navel, crossed bangs, detached collar, fake animal ears, fake tail, grey eyes, grey hair, hairband, large breasts, leaning back, leotard, long hair, looking at viewer, necktie, playboy bunny, rabbit ears, simple background, solo, strapless, strapless leotard, tail, white background, white collar, white wrist cuffs, wrist cuffs