Two lovers reunite for the first time in a long time. It's been three years since they broke up, and they had no guilty feelings at all, but suddenly, "Huh? I really want to have sex with this person..." That feeling starts to grow inside of them... They remember the pleasure-focused sex they had when they had such perfect chemistry. They know everything about each other, from what feels good to how they like to be touched, and they return to being man and woman...