Yui, who is suddenly forced to travel alone due to her husband's work, meets Anzu, who is also traveling alone. The two hit it off and end up staying at the same inn, where they bathe in the open-air bath together. Yui is embarrassed by the way Anzu looks at her, and looks away. Anzu doesn't care, and presses her lips against hers. It's a two-day, one-night trip that leads Yui to a deep pleasure she has never experienced before...