Rule 34 Dev - 1boy animal_ears antlers arknights ascot black_ascot black_background black_coat bottle character_name coat commentary cropped_torso cup czerny_(arknights) deer_boy deer_ears frilled_coat frills gloves highres horns infection_monitor_(arknights) long_sleeves male_focus simple_background sirakaro solo staff_(music) white_gloves|22192229007