Meisa, who works at a real estate company, accompanies the development department head on a business trip. After negotiations, they head to their accommodation and discover a mistake: they are sharing a room. Reluctantly, they drink together in the room, and the boss listens to meisa's boyfriend stories. However, her boasting drives him wild. Suddenly attacked, meisa is caught off guard and has intense sex all night long, fucking repeatedly in the room and hot spring.