Four years ago, Yurie, a widow who lost her husband, runs a sandwich shop with the help of her late husband's brother, Kousuke. For Yurie, whose libido is in full swing, it has been four years since she last had sex with a man after her husband's death, and it was almost at her limit of endurance. Gradually swelling fantasies about Kousuke. Drunk, Yurie visits Kousuke's house and releases the pent-up desires that have built up over four years...
