A young man named Daisuke lives with his wife and mother-in-law in a three-person household. Occasionally, he finds himself captivated by his attractive mother-in-law. One day, she buys an arousal cream and decides to try it out. It works wonders, making her breasts swell with desire. Unable to resist each other, they embark on a forbidden relationship filled with passionate lovemaking. Their bodies intertwine as they share their love through multiple orgasms in various locations around the house - including the bathroom, living room, and bedroom. Note that the recording contents may vary depending on the distribution method.