The girls in this film aren’t just big breasts. It had an overwhelming sense of weight, perfect form, and softness. In Corner 1, when the breast was shown in public for the first time, all the staff there were astonished with their eyes wide open. A humble and embarrassing girlfriend, she has lived unaware of its value. However, the environment will change dramatically from now on. The first step is this work, Haruna Kase’s AV debut.