Star exclusive actress Chiharu Minagawa Minagawa, who is in charge of big breasts, appears in SOD's signature series, One Towel, Men's Bath HARD! Chiharu, who was told that the location was a fake hot spring, is confused, but she enters the men's bath with only a towel. Will her glamorous body, which looks great in the open-air bath, be able to complete the outrageous and extreme mission?