Tomifumi was living a blissful life with his wife and mother-in-law, Eriko. One weekend when his wife, Kaori, went to a school reunion, he and Eriko found themselves alone, sharing a bottle of wine. After a few drinks, Tomifumi confessed to Eriko that he was surprised to find her looking just like his first love. Sensing a hint of unease in her demeanor, perhaps stemming from the loneliness she felt after her husband's passing, Eriko impulsively leaned in for a kiss...