Rule 34 Dev - 1boy 1male abs absurd_res almost_naked attack_on_titan bara barazoku big_bulge blonde_hair blonde_hair_male blue_eyes blue_jockstrap blue_underwear briefs bulge bulge_through_clothing commission defined_muscles erwin_smith frogg_art2 gay gay_male grey_background happy_trail jockstrap krofart male male_focus male_only muscular muscular_abs muscular_arms muscular_chest muscular_male questionable safe_for_work shingeki_no_kyojin smirk smirking solo solo_focus solo_male underwear waistband_pull yaoi|10988171288