Rule 34 Dev - 2boys anime_screenshot arch armor full_body gawain_(mokushiroku_no_yonkishi) grey_background jacket lancelot_(mokushiroku_no_yonkishi) male_focus multiple_boys nanatsu_no_taizai official_art pants pose_imitation red_pants short_hair sky smile smiley_face tristan_liones yellow_jacket|23156857620