1girl, d, animal_ears, arknights, between_legs, black_skirt, black_vest, blonde_hair, fang, hand_between_legs, long_sleeves, medium_hair, necktie, one-hour_drawing_challenge, open_mouth, red_eyes, red_necktie, reiya_(aisunokappu), seiza, shirt, simple_background, sitting, skin_fang, skirt, smile, solo, sora_(arknights), thighhighs, twintails, vest, white_background, white_shirt, white_thighhighs, wolf_ears, wolf_girl