1girl, amiya_(arknights), amiya_(fresh_fastener)_(arknights), animal_ears, arknights, black_eyes, blush, box, brown_hair, candy, chocolate, coat, dd9, earphones, food, grey_skirt, heart, heart-shaped_box, heart-shaped_chocolate, holding, holding_food, long_sleeves, looking_at_viewer, lying, miniskirt, official_alternate_costume, on_back, open_clothes, open_coat, parted_lips, photoshop_(medium), rabbit_ears, red_scarf, scarf, shirt, short_hair, skirt, sleeveless, sleeveless_shirt, solo, thighhighs, valentine, white_coat, white_shirt, white_thighhighs, zettai_ryouiki