Yuka is a married woman who started her own small advertising agency. She has a stronger sexual appetite than most people, and with her husband currently on a business trip overseas, she spends her days masturbating. One day, at a victory party with her subordinate Oki, who had just secured a major contract... Yuka was drunk and couldn't hold back, so she took Oki's cock in her mouth as a reward. However, she was seen by another subordinate, Kitajima, who said, "I want you to make me president too!" and threw himself into his work...