In her third year of marriage, Sayuki continues her career as a businesswoman and, after successfully completing a major project, is granted time off by both her company and her husband. Seeking to refresh herself, she sets off on a journey to a distant destination. At her lodging, she meets Megumi, another married woman. Staying at the same inn, the two strike up a lively conversation and grow closer over drinks. Soon, Megumi's hand touches Sayuki's, rapidly deepening their connection. When their lips finally meet, their travel romance takes a bold new turn. A passionate lesbian love story unfolds between two big-breasted married women, where desire and emotion intertwine.