Nami Horikawa, the adoptive parent, and Wataru, a young intern doctor. There was a bit of a special relationship between the two. Wataru's birth parents gave birth to Wataru, and shortly after, he contracted severe pulmonary tuberculosis and passed away. Since then, he was raised by Yamada, who was his maid. However, Wataru has always had special feelings for her, who is like his mother. Gradually, their relationship became more than that of a parent and child. While their feelings for each other are intricately intertwined, what will happen to the two of them, who will end up spending an intense and intense time together?