1girl, ahoge, arknights, bare_legs, bare_shoulders, black_hair, black_jacket, black_shirt, feet_out_of_frame, grey_eyes, jacket, kiyakyuu, la_pluma_(arknights), looking_at_viewer, off_shoulder, open_clothes, open_jacket, shirt, short_hair, simple_background, sitting, sleeveless, sleeveless_shirt, smile, solo, thigh_strap, thighs, white_background