I work as a caretaker at an apartment building owned by my father, and I've fallen in love with a woman. That woman is Maki, my father's new wife, whom I dislike... But the married women of the apartment, Meiling and Sumire, try to seduce me in a way that seems to thwart my feelings for them. I succumb to the seduction of the married women, and I can't resist, and in the end, it develops into a massive orgy that involves Maki as well...