1girl, anchor_symbol, ass, blue_background, blue_eyes, dated, flat_cap, from_behind, greyscale, hands_on_own_thighs, hat, hibiki_(kancolle), kantai_collection, leaning_forward, long_hair, long_sleeves, looking_at_viewer, looking_back, monochrome, pleated_skirt, school_uniform, senoo_arika, serafuku, simple_background, skirt, smile, solo, spot_color