In FC2-PPV-4906825, a thorough bullying targeting M-kun from behind unfolds. The simple concept is that the human back is a weak point where it's hard to apply force, so they exploit that weakness and enjoy themselves to their heart's content. In particular, nose blowjobs are a technique that many men dislike, but in this work, that reluctance will be drawn out to the fullest. The content involves enjoying M-kun's reactions to attacks from behind while indulging in nose blowjobs to their heart's content. This work was produced for sale as an original work, and the copyright of the work and the portrait rights of the performers are managed by a US corporation.