1girl, black_hairband, blue_hair, butterfly_hair_ornament, collar, firefly_(honkai:_star_rail), frilled_collar, frilled_sleeves, frills, grey_hair, hair_ornament, hairband, hand_on_own_chest, highres, honkai:_star_rail, honkai_(series), long_hair, neckerchief, ryein, smile, solo, yellow_neckerchief