1girl, arknights, black_footwear, black_thighhighs, boots, closed_mouth, hat, holding, holding_weapon, knee_up, long_hair, long_sleeves, looking_at_viewer, okome_(okome9219), red_eyes, smile, solo, specter_(arknights), specter_the_unchained_(arknights), thighhighs, thighhighs_under_boots, very_long_hair, water, weapon, white_hair