1girl, animal_ears, blush, breasts, cat_ears, cat_girl, cat_tail, collared_shirt, fingernails, greyscale, koyuki_(kotatsu358), large_breasts, long_hair, long_sleeves, looking_at_viewer, mole, mole_under_eye, monochrome, open_mouth, original, sharp_fingernails, shirt, shorts, sitting, smoke, solo, tail, thighhighs, tongue, wariza, wooden_floor