Rule 34 Dev - 1boy 2019 5_fingers abs anthro balls beard biceps black_claws black_horn black_sclera blue_balls blue_nipples blue_skin claws clothing dragon erection facial_hair finger_in_mouth hair hi_res horn humanoid_penis male male_focus male_only masturbation muscular muscular_male nipples pecs penile_masturbation penis precum rsotart ryss simple_background solo tongue|3479767144