Manabu, the president of a company, and his girlfriend, Erika, who works at his company.
The two people who enjoyed usual swapping, SM,
Mamiya who is a company employee couple and starts to aim at God.
A god who will soon pass over the temptation of the euros.
Unlike her, Mamiya offers her swapping but declines.
After convincing a few times, Mami accepts the offer.
Before taking over, Mamiya asked Yuya about who her lover
Mamiya, who arrived at the place told by the same day,
Do not be surprised at the appearance of the president sitting on the sofa ..