Ruri Tachibana - a beautiful office lady, passionate about her work, often assigned as an assistant to her superiors. Thanks to her good communication and work skills, she quickly gained the favor of the director and was promoted to an important position in the company. During a business trip with her boss, Tachibana realized that her career had flourished because of him. To show her gratitude, she accepted to repay him with her body. They both indulged in a traditional inn together.