Rule 34 Dev - 1girl bare_legs bare_shoulders bed_sheet blush bra breasts cleavage curtains closed_eyes feet_out_of_frame greyscale highres kay_yu large_breasts long_hair long_sleeves messy_hair monochrome no_nose off_shoulder open_clothes open_shirt original parted_lips pink-haired_girl_(kay_yu) solo strap_slip underwear window|12880684440