usagi (786113654), firefly (honkai: star rail), firefly (spring missive) (honkai: star rail), honkai: star rail, honkai (series), absurdres, commentary, highres, 1girl, black bow, black hairband, bow, bowtie, breasts, buttons, collarbone, double-breasted, gradient hair, green bow, green bowtie, green hair, grey hair, grey sailor collar, grey skirt, hair between eyes, hair bow, hair intakes, hairband, light blush, long hair, long sleeves, multicolored hair, parted lips, purple eyes, sailor collar, school uniform, serafuku, shirt, sitting, skirt, small breasts, solo, thighhighs, thighs, white shirt, white thighhighs