Twenty-year-old adult college student Nano Ogasawara takes on SOD’s famous challenge: entering a men’s hot spring wearing only a towel. It is her first time in a men’s bath, and the I-cup beauty blushes bright red from exposing her incredible body. The unsuspecting male guests get rock hard, but serious-minded Nano bravely endures the intensely embarrassing situation. “I was nervous, but it also turned me on a little,” she admits.