1girl, animal_ears, arknights, blush, brown_eyes, collarbone, cowboy_shot, flametail_(arknights), grey_background, grey_shirt, long_hair, looking_at_viewer, naked_shirt, ponytail, putcho, red_hair, shirt, simple_background, smile, solo, squirrel_ears, squirrel_girl, squirrel_tail, t-shirt, tail