Two years into their marriage, Hitomi Honda and her husband are trying to have a child, but due to her husband's erectile dysfunction, they are unable to have sex to their heart's content! One day, her husband finds some shady men on the internet who call themselves "cuckolds"! Hitomi is suspicious, but when her Hitomi gets an erection after seeing her being toyed with by a man she doesn't know, she is convinced of the effectiveness of the service, and finally tries out the cuckold sex course, and ends up cumming wildly with a lewd stranger's dick!