"What would have happened to us if we hadn't broken up back then?" At a class reunion, Yu (Kawakami Yu) reconnected with her ex-boyfriend Atsushi. Drunk on the moment, she blurted out feelings she had long kept hidden. Though they both knew it was wrong to say such things now that they each had families, seeing Atsushi's face after 20 years stirred up intense teenage emotions within Yu. Just then, her husband announced he would be away on a business trip for three days. This might be the only chance she'd have alone with Atsushi. Yu could no longer hold back her feelings...
