Among the housing complex residents, the busty beauty wife Nanako stands out. Her husband works at a trading company and is extremely busy, hardly ever coming home, and has been living alone for work since last month. In this situation, Nanako, left to her own devices, carries both loneliness and undeniable desires, her pheromones silently driving the men around her into a wild frenzy. That transformation quickly pushes them to the brink of savage instinct.