Shuichi and Airi are a close couple who got married a year and a half ago. However, she had a past working at a brothel. Now, she is being threatened by Nakahata, a friend of her husband, to reveal that past. The condition for keeping the secret is "physical relationship." In order to protect her happy life, Airi complies with the affairs with men. Though she feels guilty towards her husband, the lewd stimulation causes her body to react. Such is the NTR-filled day of the wife.
