1boy 1girl admiral_(kancolle) bdsm black_sailor_collar black_skirt blue_neckerchief blush bondage bound breasts chocolate commentary_request ergot femdom fubuki_(kancolle) fubuki_kai_ni_(kancolle) grey_background hetero highres kantai_collection medium_breasts mouth_hold neckerchief pleated_skirt ponytail rope sailor_collar saliva saliva_trail school_uniform serafuku short_ponytail short_sleeves sidelocks signature simple_background skirt sweat valentine yellow_eyes