``I'm the one taking care of my dad.'' Lauren, a foreign girl and her son's fiancée, comes to visit her father-in-law. However, her father-in-law, just to test her, even forces her to take care of her in an obscene manner! ...However, the hard-working Lauren not only studied Japanese-style nursing care, but also surpassed her father-in-law's imagination with her ejaculation care that combined her foreign-trained techniques! The two gradually enter into a forbidden relationship... This is J