A plump big-breasted beauty, Kana, experiences the shocking freedom of black FUCK deregulation! Free (Miyu) visits a hot spring inn with her fiancé. Although he is kind, she is not satisfied with SEX and heads to the outdoor bath for a change of pace. She encounters a black employee cleaning and is surprised. As she tries to retreat, the black employee encourages her to bathe, saying, "The hot spring is great!" However, she is captivated by the huge, never-before-seen dick that pops out from his loincloth...