Why is it in the book "trip to Japan" When the cleaner in Onsen touched his naked genitals. Why was he pleased?

In the context of the book "Trip to Japan," the scene you've mentioned likely serves a specific narrative or thematic purpose. Often, such moments are used to explore cultural differences, social norms, or personal experiences related to vulnerability and intimacy. In many cultures, particularly in traditional Japanese settings like an onsen (hot spring), nudity can be approached with a sense of naturalism and comfort that differs from Western norms. The cleaner's actions might be depicted as a form of intimacy or care that is culturally accepted and appreciated in that specific environment. The character's pleasure could stem from a variety of feelings, such as relief from tension, a sense of acceptance within the space, or an acknowledgment of the unique cultural practices in Japan. It may also reflect a theme of self-exploration or heightened awareness that is often explored in travel literature. Without the full context of the book, these interpretations are generalized, but they capture the essence of why such a scene might resonate positively with the character.