Shion Mako, a busty and big-assed woman, is busy with her work-from-home job and frequently uses delivery services. One day, she meets a handsome delivery man and, having few opportunities to meet people, begins indulging in erotic fantasies about him. For two days in a row, he shows up at her door, making her increasingly excited and convinced it's fate. Soon, her fantasies start blending into reality. Her mounting anticipation and pounding heart make this story even more intensely erotic.