Kana Kusakabe first year at the company and is assigned to the PR department for in-house training. She is shy and doesn't like being in front of people, and she has a complex. Her breasts are too big. Akiyama, who is in charge of training, notices the size of her breasts and helps her gain confidence and persuades her to appear in an adult video. Her I-cup breasts, which are arguably the most beautiful in the history of female employees, are finally revealed.