Ito Mayuki, who joined the company at the same time, is successful in both work and love, which makes the protagonist feel a huge gap compared to her. Even with Ito Mayuki's support, the main character cannot catch up and ends up working overtime every day. Excited by Ito Mayuki's defenseless appearance in her room, the protagonist cannot resist and ends up having a physical relationship with her. The sex that starts after Ito Mayuki misses the last train is fresh and allows him to enjoy her charm. Even her bare face is attractive. This is a film where you can fully enjoy Ito Mayuki's charm.