Real-estate employee Meisa accompanies her development manager on a business trip, only to discover that the inn mistakenly booked them into the same room. They drink together, and the boss listens as she gushes about her boyfriend, but her happy stories shatter his self-control. When he suddenly makes a move, Meisa unexpectedly cums again and again from the cheating sex. Their chemistry is so strong that they keep fucking in the room and hot spring all night.