Maro works as a doctor. One day, Sakimi and her husband comes to the doctor's office cause of a small pain in Sakumi's breasts. He begins to gain her trust and gives her advice about married life, with a keen interest in her sexual habits. One thing leads to another, and voila. Netorare.
Marina and Airi's single mother has recently gotten married. Their new step-dad seems like he'll make a loving father. Like a really, really loving father.