1girl, arknights, black_thighhighs, blush, breasts, feet_out_of_frame, grey_hair, hinami047, holding, holding_polearm, holding_weapon, horns, id_card, long_hair, looking_at_viewer, matoimaru_(arknights), medium_breasts, open_mouth, pointy_ears, polearm, red_eyes, simple_background, smile, solo, standing, thighhighs, turtleneck, very_long_hair, weapon