Rule 34 Dev - 1boy abs ambiguous_fluids balls bara big_areola blonde_hair bulge bulge_through_clothing clenched_teeth demon_slayer flaccid frown fundoshi fundoshi_only gay kimetsu_no_yaiba lube lube_drip lube_in_ass lube_on_hand lying lying_on_back lying_on_ground male male_only medium_hair mikicat multicolored_hair muscles muscular muscular_male one_eye_closed pecs penis red_fundoshi red_hair rengoku_shinjurou resisting rokushaku_fundoshi six_pack solo solo_male spread_legs thick_eyebrows topless two_tone_hair wince yaoi|13699628720