A perverted beautiful wife sent over a video of herself masturbating. It seems her desire has reached its peak due to the mundane life after marriage.
She apparently had a wild time dating around before marriage, but after marrying her current husband, she cut off all contact with men and lived a serious life. However, the feeling of not wanting to betray her husband turned into pressure, and her pent-up desire began to stir from that stress.
Finally reaching her limit of endurance, she made a bold decision, saying "Just this once."