A beautiful face with striking big eyes and an irresistible G-cup bust—this top-class thirty-something wife is the target this time. Hiding her body with just a bath towel, she heads to the mixed-gorup hot spring bath where men await. Half-forcibly groped by middle-aged orgy enthusiasts, she's forced into sex by two unfamiliar men. Though she resists at first, she gradually gives in, while her husband secretly peeps and gets aroused.