Ryunosuke and Rei are boss and subordinate in the same company. Although both have partners, they have been in a relationship for two years, but Rei's boyfriend proposes to her and she accepts. They decide to end it when they are getting married and moving at the same time. One week before the move, on their last date, "I want to stay together until the morning. I wanted to do things like a cohabiting couple does," he says, and they have raw sex and creampie in a hotel room.