1girl, azuma_fubuki, black_eyes, black_hair, blueorca, blurry, blurry_background, bra, breasts, hair_over_one_eye, hair_spread_out, indoors, large_breasts, long_hair, looking_at_viewer, lying, mato_seihei_no_slave, mature_female, navel, on_bed, on_side, one_eye_closed, parted_lips, thighs, underwear, window