"Maki" and "Mizuki", who live on the same floor of an apartment building, were once again discussing their sexless marriages with each other. Meanwhile, a young man named "Yamada" moved into the same floor. It didn't take long for Yamada to pounce on the two married women. That very day, Maki helped him unpack and went into his home, while Mizuki came over sharing dinner. The reverse 3P initiated by the sexually frustrated housewives was just the prologue to their dream harem new life...
