On the final day of the school trip, the male students were excitedly dreaming of spending time with their admired female teacher, Miss Eriko. While walking through the inn, they accidentally spotted Miss Eriko entering the women's bath. One student alerted his roommate, and together they sneaked in to peek inside—only to find Miss Eriko soaking in the hot spring, her alluring figure on full display. Mesmerized by her beauty, one student, trembling with excitement, finally stepped into the women's bath. Watching him quietly, Miss Eriko slowly approached with a gentle smile...