A married woman who left Kotobuki after getting married in the company is invited to a party at a co-worker's house to celebrate her husband's promotion to manager. However, her husband was unable to attend due to a sudden business trip, so only the married woman was able to attend, but the business trip was a scheme orchestrated by the manager. Ever since the married woman started working at the company, the manager and his colleagues had been targeting the beautiful, plump-bodied married woman. A married woman who participated without knowing anything and got drunk, and due to the fact that her husband had an indifferent night life and she was frustrated, she had sex for the first time in a long time and came to orgasm.