After her husband died seven years ago, Suzuka spends her days working as a cleaner. One day, when she feels tired of her life without purpose, she accidentally goes to her house in Nakano, a young employee where she works. After losing her husband, the holidays were a little unsettled because her boring time was often left unattended. On the other hand, Nakano also has high hopes for inviting an adult woman... On that day, the relationship between the two becomes closer. After that, they began to repeat obscene acts in the company while they were working together.
