1girl, animal_ears, arknights, bare_shoulders, black_dress, cat_ears, cat_tail, dress, ears_through_headwear, elbow_gloves, feather_boa, gloves, grey_eyes, grey_hair, head_tilt, heidi_(arknights), high_heels, holding, holding_staff, infection_monitor_(arknights), knees_together_feet_apart, knees_up, kurosabi_neko, long_hair, looking_back, red_footwear, red_gloves, red_headwear, sitting, smile, solo, staff, tail