After his affair was discovered, the department head Fukiishi Kozo was kicked out of the house by his wife Rena and is now staying at the company. Kozo's subordinate Saijo Kazuma goes to get a change of clothes in his place. Rena approaches the nervous Kazuma with all her sex appeal. "I think I'll cheat on you too. Saijo-kun, please make advances on me!" With Rena leading the way, Kazuma ends up having sex. Kazuma is nervous that the department head will find out about this, but Rena calls him directly on his cell phone...