Kanna, who left her children at her parents house and came to a hot spring trip alone with her husband, meets a strong black duo who participates in a Japanese bodybuilding competition at an inn. - Amazing muscles! - Her husband feels like her child. - When I was thinking about such a thing while soaking in the open-air bath alone, the black man I mentioned earlier came into the open-air bath by mistake. - She hurriedly tried to explain in plain English, but the towel around the black mans waist unraveled, and when she saw her strong muscles and decamara, her body began to ache.