I, Kana Momonogi, completely succumbed to the seductive whispers of my new subordinate who liked older men, on Friday the fifth day. (IPZZ-102)

New employee Ms. Momono has a crush on older men. Her assigned department head, Manager Ozawa, is a surprise; they don't match her cute face. Manager Ozawa is overwhelmed by Ms. Momono's teasing, whispers, and seduction. Although Manager Ozawa has a wife and children, he is still manipulated by his subordinate's temptations until Friday night of the fifth day, when he finally succumbs to temptation and has sex with Ms. Momono. From that day on, the wildly passionate sex drama between the new employee and the older man begins.