In the first story, we meet a buxom student who cleans windows in her spare time to earn a place to live. One day, her attention is attracted by a young man who watches her through the glass and evaluates her attractiveness. The girl notices his interest and decides to come closer to get to know each other.

In the center of the story of this hentai is a young man named Inatani-kun, who dreams of a woman's breasts. One day, he gets an incredible chance: one girl gives him special coupons that give him the right to intimacy with the owner of luxurious forms.