A surprise shared room at a ryokan on a business trip! I'm made to death by my boss I hate... ~A story about the super-sexual club leader who is well-versed in female body training~

When I joined a major cosmetics manufacturer as a new graduate, he ends up on a two-day business trip alone with the manager he hates, whom he hates, even among his employees. What's more, the business partner on the business trip teams up with the manager makes Ran drunk, and Ran gets seriously sexually harassed, and he is also angered by his drunkenness. The negotiations are cancelled, and the manager, who is furious at Ran, plots a conspiracy. She shares her room with the club manager at the lodging she is staying at, and her beautiful, busty body is tainted by a dirty old man...