The hot springs extend from the north to the south of the archipelago. These baths reveal in an intimate way their relationship with the world and its vulnerability. For several years, Lucille Reyboz has been going several times a year to these springs bathed in a strange and magical atmosphere. Fascinated, she shared these privileged moments where bodies abandon themselves, blending with nature, like a return to the original matrix. In Tokyo, this quest for nature even pushes city dwellers to recreate artificial sources which become refuges in the urban chaos. With grace and sensitivity, Lucille Reyboz invites us on a timeless journey.