Rule 34 Dev - 1boy 2021 abs anthro anti_dev armpit_hair avian ayden_(brogulls) balls_outline beak biceps big_nipples bird bit_gag body_hair bondage boots border bound brogulls brown_eyes bulge chest_hair clothed clothing erection erection_under_clothing feathers footwear gag gagged genital_outline genitals gradient_background gull handcuffs hands_behind_head harness hi_res jockstrap lari larid looking_at_viewer male male_only muscular muscular_anthro muscular_male nipples outside_border pecs penis penis_outline ribs serratus_anterior shackles simple_background sitting solo solo_male spikes tattoo triceps underwear white_body white_feathers|5668878144