"To get the contract... I swallowed the chairman's 'sperm and saliva'." A friend who was a joint guarantor disappeared, and her husband ended up with a large amount of debt. Kaori, who works as an insurance saleswoman, also had to take on big contracts and increase her income in order to repay the debt. However, she couldn't get contracts as she wished. At such a time, she happened to meet Ozawa, the chairman of a large corporation, at a visiting customer's house. Ozawa noticed Kaori's lewd body and proposed that if he could satisfy his desires, he would sign as many contracts as he wanted. For her husband's sake, Kaori made up her mind and put on seductive and expensive lingerie that Ozawa liked, and went out to work again. She didn't think it would become a physical contract from which there was no turning back...