Tomorrow Is My Wife's Due Date." When My Wife Took Home A Classmate She Met Again At A Class Reunion With An Ulterior Motive While She Was Back Home, She Turned Out To Be An Outrageously Demonic Woman Who Squeezed Sperm Out Of Her In A Plunder-mounted Nakadashi. Yuna Ogura

One week before his wife is due to give birth, Nitta, whose wife has returned to her family home, reunites with Yuna (married), the most popular girl in their high school class, at a reunion. They hit it off, and since both are in sexless marriages, they cross the line. From that day on, a femme fatale who takes a superior attitude toward his wife while seducing and creampie-ing him begins to drain his sperm every day...