Rule 34 Dev - 2boys big_breasts big_nipples blush breast_expansion breast_grab brown_eyes busty_boy gay gintama gintoki_sakata giruberu groping groping_breasts groping_from_behind kimono lactation looking_at_breasts looking_pleasured male male_lactation male_only male_with_breasts nipple_pinch nipple_tweak one_eye_closed open_mouth sakamoto_tatsuma upper_body white_hair yaoi|14256571696