Rule 34 Dev - 1boy caelus_(honkai:_star_rail) grey_hair hair_between_eyes highres holding holding_paper_airplane honkai:_star_rail honkai_(series) jacket leaning_out_of_window long_hair long_sleeves open_window paper_airplane shirt short_hair solo trailblazer_(honkai:_star_rail) white_shirt window yellow_eyes zassyoku_dd|25192025235