Rule 34 Dev - 1girl black_jacket collared_shirt colored_eyelashes crossed_bangs dekitateomoti firefly_(honkai:_star_rail) gradient_hair grey_hair hair_between_eyes highres honkai:_star_rail honkai_(series) jacket long_hair looking_at_viewer multicolored_eyes multicolored_hair open_mouth shirt simple_background smile solo|22387861899