Kanna, who left her children at her parents' house and went on a hot spring trip alone with her husband, meets a pair of strong black men who participate in a Japanese bodybuilding tournament at a ryokan. Amazing muscles! My husband feels like a child. While I was thinking about this while soaking in the open-air bath alone, the black man mentioned earlier made a mistake and came into the open-air bath. He hurriedly tried to explain it in broken English, but the towel wrapped around a black man's waist unravels, and when Kanna saw his strong muscles and huge cock, his body began to sting on his own...