1girl, black_skirt, blue_eyes, blush, box, chocolate, coat, enpera, gift, gift_box, heart, heart-shaped_box, holding, holding_gift, long_hair, neckerchief, pleated_skirt, scarf, school_uniform, serafuku, skirt, solo, valentine, white_hair, hibiki_(kancolle), kantai_collection, year_2016, 