shima_(wansyon144), , year_2024, 1boy, animal_ears, bag, brown_background, claws, dragon_boy, dragon_tail, envelope, full_body, furry, furry_male, greyscale_with_colored_background, hand_up, holding, holding_envelope, horns, low_wings, mailman, no_humans, pince-nez, satchel, simple_background, single_horn, solo, tail, wings, absurdres, commentary_request, highres, original