1girl, o, black_shirt, blush, book, breast_press, breasts, brown_cardigan, cardigan, cleavage, collarbone, green_eyes, grey_hair, hair_between_eyes, holding, holding_book, indoors, kusana_(dudqja602), large_breasts, looking_at_viewer, nail_polish, off_shoulder, original, parted_lips, shirt, solo, standing, upper_body