Rule 34 Dev - 1girl bare_shoulders black_hairband blush camisole firefly_(honkai:_star_rail) furrowed_brow hairband highres honkai:_star_rail honkai_(series) long_hair looking_at_viewer open_mouth purple_eyes shyaruru simple_background sketch solo spaghetti_strap strap_slip upper_body very_long_hair white_background|24158603664