1girl, d, animal_ear_fluff, animal_ears, arknights, black_jacket, blonde_hair, breasts, glasses, hair_ornament, hairclip, heart, holding, holding_pen, io_(io_oekaki), jacket, large_breasts, long_sleeves, looking_at_viewer, neck_ribbon, official_alternate_costume, open_clothes, open_jacket, parted_lips, pen, pen_to_mouth, purple_eyes, red_ribbon, ribbon, rimless_eyewear, school_uniform, short_hair, simple_background, smile, solo, tail, tilted_headwear, upper_body, utage_(arknights), utage_(disguise)_(arknights), white_background