Natsuko Kayama: The Department Manager is a sexual fiend - part.1

Natsuko, a big-breasted woman, is the advertising manager of a certain company who is good at both work and sex. When she returns to the office after a business meeting, a young employee is working overtime. The next day, she sees the president of the company making out with his secretary and presses him for a promotion. Sex monster Natsuko Kayama's voluptuous body is irresistible!