Honoka, a faithful wife whose husband and wife both work, worked part-time five days a week and full-time. However, without her husband's knowledge, Honoka was constantly being called to the public restroom on her way home from work by a middle-aged man from her part-time job. "I think we can work something out about the hourly wage increase, Tsujii-san..." he said, luring the part-time wife into a multi-purpose fuck session in the station restroom. Her husband, who knew nothing about it, was happy about his wife's hourly wage increase, but the wife's body and Kokoro were gradually corrupted by the daily acts...