アダルトビデオ店で働く上原あゆな（24）。エプロン姿でHカップの重みを隠しながら働く彼女は、客の卑猥な視線を感じるたびに「私もビデオみたいに扱われたい」というドMの性癖を昂らせていた。「私が出演したDVDを私の手で売りたい」とAVデビューを決意した彼女。憧れのAV男優によるスパンキング、アナル責め、激しいイラマチオの果てに、理性を飛ばした完全なドMへと堕ちていく！

Ayuna Uehara (24) works at an adult video store. Wearing an apron to hide the weight of her H-cup breasts, she feels the lewd gazes of customers, which excites her masochistic tendencies and makes her think, "I want to be treated like I'm in a video." Determined to sell the DVDs she appears in with her own hands, she decides to make her AV debut. After being spanked, anally abused, and subjected to intense irrumatio by her idolized AV actor, she loses all reason and descends into a complete masochist!