Riri Nanatsumori, blissfully happy with her wedding three months away, visits the venue with her fiancé to meet the wedding planner. The planner turns out to be a senior from college who used and discarded her. He takes advantage of the fiancé’s absence and forces himself on her. From then on, even with her fiancé nearby, her body reacts to the planner’s cock. On the wedding day, she hides her wet panties under her dress and sits next to her fiancé with a smile.