The main character is a very ordinary office worker.
Work is going well, but he is living a lonely single life.

One day, his senior and boss Takashiro Satsuki asked him to take care of the younger Okazaki Mahiro who had been assigned to work alone, and the situation changed completely.

The contact between the attractive senior wife and the junior wife
connected not only the mind but also the body...

[Translated from DLsite]