Rule34.pub - mumumu hoshibito, honkai (series), honkai: star rail, firefly (honkai: star rail), arms behind back, barefoot, blush, bondage, bound, bound arms, bound legs, breasts, collar, commentary request, drooling, female, grey hair, hair ornament, hairband, long hair, looking at viewer, nipples, purple eyes, seiza, sitting, solo, sweat, tears, tongue, tongue out, absurdres, highres