Today is the day of the important baseball game for Takayuki, her only son. 'I have an appointment that I absolutely cannot miss today,' Yumi said to her husband and Takayuki as she sent them off, deciding to stay home alone... That 'important appointment' was a secret rendezvous with her lover Shinichi. Moreover, because she didn't want to waste even a second of time, Yumi chose her own home as the location. Then the doorbell rang, and Shinichi arrived. Their 'time-limited unrestricted FUCK' begins from this moment...
