Sleeping in the same room as two secretaries on a business trip

Business trip with two female co-workers. Yuki, an incompetent guy, was sent to training by the company with two beautiful female employees, Eimi and Hana. They were forced to share a hotel room because there was only one room left. This is an opportunity for Yuki when he is near the two most beautiful and lustful girls in the company, and then when all three get drunk and return to their rooms...