1girl ahoge animal_ear_fluff animal_ears arknights armor bare_shoulders breastplate cropped_torso from_side gravel_(arknights) grey_background half-closed_eyes highres hot infection_monitor_(arknights) jacket long_hair looking_ahead looking_down off_shoulder open_clothes open_jacket parted_lips pink_eyes pink_hair prairie_dog_ears profile signature simple_background solo sweat sweatdrop turtleneck upper_body yuuki_uyu