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2019 3_fingers 4_toes anisodactyl anthro avian avian_feet backsack balls beak berdly big_butt bird blue_balls blue_body blue_feathers blue_perineum blush book bottomless brown_eyes butt butt_focus casual_exposure clothed clothing conditional_dnp crybleat deltarune digital_media_(artwork)embarrassed exposed eyewear feathers feet fingers full-length_portrait genitals glasses half-closed_eyes hi_res holding_book holding_object lightner looking_at_viewer looking_back male narrowed_eyes non-mammal_balls perineum portrait raised_tail shirt shy simple_background smile solo standing tail tail_feathers talons toes topwear undertale_(series)white_background wide_hips yellow_beak