Chisato, a bank employee, is looking forward to her husband returning home soon after finishing his work assignment. However, due to work-related troubles, his term has been extended... When she hears his story, it seems that he has been ousted in a factional dispute with a colleague. Upon learning this, Chisato immediately summons Oikawa, one of her husband's subordinates who belongs to a different faction, to her house. Oikawa is nervous to be suddenly summoned, but Chisato uses her ripe body to sweetly tempt him and successfully wins him over to her side. However, another subordinate, Kishikawa...