RD-957 - Business trip with a 50-year-old married boss, forced into her hotel room

After a business dinner, the protagonist ends up in the same hotel as his 50-year-old female managing director. Once inside her room, she drops all pretenses and forces herself on him. Despite his protests about her being married and unwashed, she ignores his resistance, stripping him down and savoring every detail. Includes 3 episodes.