Naho, married for 12 years, lives a simple but happy life with her family. Attending her first school reunion in 20 years, she unexpectedly runs into her ex-boyfriend, Takeda. Takeda is a man who was irresponsible towards women and met a terrible end. However, Takeda has grown up too. While they reminisce, they miss the last bus and end up spending the night in a hotel. Takeda knows Naho's body intimately, and his skills are even more refined, bringing her to repeated orgasms, rekindling their past passion…