1girl, ahoge, arknights, bad_pixiv_id, black_coat, black_footwear, black_hairband, black_pantyhose, blue_eyes, blue_hair, blush, chair, coat, couch, hairband, hand_on_own_face, indoors, leg_up, long_sleeves, looking_at_viewer, mole, mole_under_eye, on_chair, onafuku, original, pantyhose, ponytail, shoe_soles, shoes, short_hair, short_ponytail, sitting, solo