Together with busty beauties at a mixed-gender hot spring. I couldn't help getting an erection at the sight of their sexy bodies, but instead of hiding it, I decided to show it off to them. Although I knew they shouldn't look, they didn't hate it and instead stared at my erection, becoming very curious about it. I ended up having a great time with these turned-on girls in the hot spring and in the room. This is the fourth installment of the popular series!