Rule 34 Dev - 1boy adeptus_astartes armor ass ass_focus ass_up back_view bondage clothed_bondage greyscale imperium_of_man lewdbees_(artist) male_focus masked masked_male monochrome on_ground power_armor red_rope shibari shibari_over_clothes solo_male space_marine warhammer_(franchise) warhammer_40k|5784652912